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1241220552 = 2331113418821
BaseRepresentation
bin100100111111011…
…1000010111001000
310012111120112111120
41021332320113020
510020223024202
6323055355240
742521125545
oct11176702710
93174515446
101241220552
11587700410
122a7822b20
1316a1c7740
14babbdbcc
1573e7e0bc
hex49fb85c8

1241220552 has 128 divisors (see below), whose sum is σ = 3734881920. Its totient is φ = 338688000.

The previous prime is 1241220551. The next prime is 1241220557. The reversal of 1241220552 is 2550221421.

1241220552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1241220551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136302 + ... + 145122.

It is an arithmetic number, because the mean of its divisors is an integer number (29178765).

Almost surely, 21241220552 is an apocalyptic number.

1241220552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241220552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867440960).

1241220552 is an abundant number, since it is smaller than the sum of its proper divisors (2493661368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241220552 is a wasteful number, since it uses less digits than its factorization.

1241220552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8891 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1241220552 is about 35230.9601345180. The cubic root of 1241220552 is about 1074.6894511654.

Adding to 1241220552 its reverse (2550221421), we get a palindrome (3791441973).

The spelling of 1241220552 in words is "one billion, two hundred forty-one million, two hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 41 44 52 66 78 82 88 104 123 132 143 156 164 246 264 286 312 328 429 451 492 533 572 858 902 984 1066 1144 1353 1599 1716 1804 2132 2706 3198 3432 3608 4264 5412 5863 6396 8821 10824 11726 12792 17589 17642 23452 26463 35178 35284 46904 52926 70356 70568 97031 105852 114673 140712 194062 211704 229346 291093 344019 361661 388124 458692 582186 688038 723322 776248 917384 1084983 1164372 1261403 1376076 1446644 2169966 2328744 2522806 2752152 2893288 3784209 3978271 4339932 4701593 5045612 7568418 7956542 8679864 9403186 10091224 11934813 14104779 15136836 15913084 18806372 23869626 28209558 30273672 31826168 37612744 47739252 51717523 56419116 95478504 103435046 112838232 155152569 206870092 310305138 413740184 620610276 1241220552