Search a number
-
+
10981056 = 26357193
BaseRepresentation
bin101001111000…
…111011000000
3202122220011210
4221320323000
510302343211
61031210120
7162223512
oct51707300
922586153
1010981056
116220259
123816940
132376288
14165bbb2
15e6d9a6
hexa78ec0

10981056 has 28 divisors (see below), whose sum is σ = 29054552. Its totient is φ = 3660288.

The previous prime is 10981027. The next prime is 10981063. The reversal of 10981056 is 65018901.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28405 + ... + 28788.

Almost surely, 210981056 is an apocalyptic number.

10981056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10981056 is an abundant number, since it is smaller than the sum of its proper divisors (18073496).

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

10981056 is an equidigital number, since it uses as much as digits as its factorization.

10981056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57208 (or 57198 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 10981056 is about 3313.7676442382. The cubic root of 10981056 is about 222.2702657606.

Adding to 10981056 its reverse (65018901), we get a palindrome (75999957).

The spelling of 10981056 in words is "ten million, nine hundred eighty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 57193 114386 171579 228772 343158 457544 686316 915088 1372632 1830176 2745264 3660352 5490528 10981056