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10641538 = 235315073
BaseRepresentation
bin101000100110…
…000010000010
3202000122110001
4220212002002
510211012123
61020030214
7156310615
oct50460202
922018401
1010641538
116009166
12369236a
13228788b
1415b017c
15e030ad
hexa26082

10641538 has 8 divisors (see below), whose sum is σ = 16008588. Its totient is φ = 5305344.

The previous prime is 10641517. The next prime is 10641557. The reversal of 10641538 is 83514601.

It can be written as a sum of positive squares in 2 ways, for example, as 10608049 + 33489 = 3257^2 + 183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106415382 = 226484662010888, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6831 + ... + 8242.

Almost surely, 210641538 is an apocalyptic number.

10641538 is a deficient number, since it is larger than the sum of its proper divisors (5367050).

10641538 is a wasteful number, since it uses less digits than its factorization.

10641538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 10641538 is about 3262.1370296172. The cubic root of 10641538 is about 219.9554868619.

It can be divided in two parts, 106 and 41538, that multiplied together give a triangular number (4403028 = T2967).

The spelling of 10641538 in words is "ten million, six hundred forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 353 706 15073 30146 5320769 10641538