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61104888 = 23331347463
BaseRepresentation
bin1110100100011…
…0001011111000
311020222110011000
43221012023320
5111120324023
610021405000
71341245235
oct351061370
9136873130
1061104888
1131546009
1218569760
13c875b50
14818878c
155570243
hex3a462f8

61104888 has 128 divisors (see below), whose sum is σ = 187084800. Its totient is φ = 18361728.

The previous prime is 61104887. The next prime is 61104889. The reversal of 61104888 is 88840116.

61104888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61104887) and next prime (61104889).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61104881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131745 + ... + 132207.

It is an arithmetic number, because the mean of its divisors is an integer number (1461600).

Almost surely, 261104888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61104888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93542400).

61104888 is an abundant number, since it is smaller than the sum of its proper divisors (125979912).

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

61104888 is a wasteful number, since it uses less digits than its factorization.

61104888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 61104888 is about 7816.9615580480. The cubic root of 61104888 is about 393.8752127857.

The spelling of 61104888 in words is "sixty-one million, one hundred four thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 47 52 54 72 78 94 104 108 117 141 156 188 216 234 282 312 351 376 423 463 468 564 611 702 846 926 936 1128 1222 1269 1389 1404 1692 1833 1852 2444 2538 2778 2808 3384 3666 3704 4167 4888 5076 5499 5556 6019 7332 8334 10152 10998 11112 12038 12501 14664 16497 16668 18057 21761 21996 24076 25002 32994 33336 36114 43522 43992 48152 50004 54171 65283 65988 72228 87044 100008 108342 130566 131976 144456 162513 174088 195849 216684 261132 282893 325026 391698 433368 522264 565786 587547 650052 783396 848679 1131572 1175094 1300104 1566792 1697358 2263144 2350188 2546037 3394716 4700376 5092074 6789432 7638111 10184148 15276222 20368296 30552444 61104888