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10645632 = 27329241
BaseRepresentation
bin101000100111…
…000010000000
3202000212001200
4220213002000
510211130012
61020101200
7156325554
oct50470200
922025050
1010645632
116011248
123694800
1322896ba
1415b1864
15e043dc
hexa27080

10645632 has 48 divisors (see below), whose sum is σ = 30637230. Its totient is φ = 3548160.

The previous prime is 10645597. The next prime is 10645637. The reversal of 10645632 is 23654601.

10645632 is a `hidden beast` number, since 10 + 645 + 6 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 4769856 = 2424^2 + 2184^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×106456322 = 226658961358848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10645596 and 10645605.

It is not an unprimeable number, because it can be changed into a prime (10645637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3469 + ... + 5772.

Almost surely, 210645632 is an apocalyptic number.

10645632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10645632 is an abundant number, since it is smaller than the sum of its proper divisors (19991598).

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

10645632 is an equidigital number, since it uses as much as digits as its factorization.

10645632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261 (or 9246 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 10645632 is about 3262.7644720390. The cubic root of 10645632 is about 219.9836902510.

The spelling of 10645632 in words is "ten million, six hundred forty-five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 9241 18482 27723 36964 55446 73928 83169 110892 147856 166338 221784 295712 332676 443568 591424 665352 887136 1182848 1330704 1774272 2661408 3548544 5322816 10645632