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10640154 = 237236191
BaseRepresentation
bin101000100101…
…101100011010
3202000120112210
4220211230122
510210441104
61020015550
7156303600
oct50455432
922016483
1010640154
116008118
1236915b6
132287065
1415ad870
15e02989
hexa25b1a

10640154 has 24 divisors (see below), whose sum is σ = 24755328. Its totient is φ = 3039960.

The previous prime is 10640143. The next prime is 10640159. The reversal of 10640154 is 45104601.

It is a super-2 number, since 2×106401542 = 226425754287432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10640154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640159) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17802 + ... + 18389.

It is an arithmetic number, because the mean of its divisors is an integer number (1031472).

Almost surely, 210640154 is an apocalyptic number.

10640154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10640154 is an abundant number, since it is smaller than the sum of its proper divisors (14115174).

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

10640154 is a wasteful number, since it uses less digits than its factorization.

10640154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36210 (or 36203 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10640154 is about 3261.9248918392. The cubic root of 10640154 is about 219.9459509098.

Adding to 10640154 its reverse (45104601), we get a palindrome (55744755).

The spelling of 10640154 in words is "ten million, six hundred forty thousand, one hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 36191 72382 108573 217146 253337 506674 760011 1520022 1773359 3546718 5320077 10640154