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1223000532 = 22351396787
BaseRepresentation
bin100100011100101…
…1000000111010100
310011020021212100000
41020321120013110
510001042004112
6321205051300
742210222135
oct11071300724
93136255300
101223000532
11578396446
122a16b6b30
131664b8570
14b85d9c8c
15725807dc
hex48e581d4

1223000532 has 72 divisors (see below), whose sum is σ = 3452621536. Its totient is φ = 376303968.

The previous prime is 1223000509. The next prime is 1223000533. The reversal of 1223000532 is 2350003221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223000533) 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 23 ways as a sum of consecutive naturals, for example, 35758 + ... + 61029.

Almost surely, 21223000532 is an apocalyptic number.

1223000532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223000532 is an abundant number, since it is smaller than the sum of its proper divisors (2229621004).

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

1223000532 is a wasteful number, since it uses less digits than its factorization.

1223000532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96819 (or 96805 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1223000532 is about 34971.4245063023. The cubic root of 1223000532 is about 1069.4050123264.

Adding to 1223000532 its reverse (2350003221), we get a palindrome (3573003753).

The spelling of 1223000532 in words is "one billion, two hundred twenty-three million, five hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 243 324 351 468 486 702 972 1053 1404 2106 3159 4212 6318 12636 96787 193574 290361 387148 580722 871083 1161444 1258231 1742166 2516462 2613249 3484332 3774693 5032924 5226498 7549386 7839747 10452996 11324079 15098772 15679494 22648158 23519241 31358988 33972237 45296316 47038482 67944474 94076964 101916711 135888948 203833422 305750133 407666844 611500266 1223000532