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1532106920 = 23538539941
BaseRepresentation
bin101101101010010…
…0001100010101000
310221202221002120202
41123110201202220
511114204410140
6412010211332
752652460011
oct13324414250
93852832522
101532106920
1171691a673
12369123b48
131b5554256
141076a0008
158e78c915
hex5b5218a8

1532106920 has 32 divisors (see below), whose sum is σ = 3448482120. Its totient is φ = 612622080.

The previous prime is 1532106911. The next prime is 1532106937. The reversal of 1532106920 is 296012351.

It can be written as a sum of positive squares in 4 ways, for example, as 1173610564 + 358496356 = 34258^2 + 18934^2 .

It is a super-2 number, since 2×15321069202 = 4694703228623772800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 149150 + ... + 159090.

Almost surely, 21532106920 is an apocalyptic number.

1532106920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532106920 is an abundant number, since it is smaller than the sum of its proper divisors (1916375200).

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

1532106920 is a wasteful number, since it uses less digits than its factorization.

1532106920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805 (or 13801 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1532106920 is about 39142.1373969281. The cubic root of 1532106920 is about 1152.8240410863.

The spelling of 1532106920 in words is "one billion, five hundred thirty-two million, one hundred six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3853 7706 9941 15412 19265 19882 30824 38530 39764 49705 77060 79528 99410 154120 198820 397640 38302673 76605346 153210692 191513365 306421384 383026730 766053460 1532106920