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23036180 = 22511310193
BaseRepresentation
bin101011111100…
…0000100010100
31121100100200212
41113320010110
521344124210
62141424552
7366542606
oct127700424
947310625
1023036180
1112004472
12786b158
134a0739b
1430b9176
152050805
hex15f8114

23036180 has 24 divisors (see below), whose sum is σ = 48808872. Its totient is φ = 9132032.

The previous prime is 23036177. The next prime is 23036183. The reversal of 23036180 is 8163032.

It is an interprime number because it is at equal distance from previous prime (23036177) and next prime (23036183).

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 22771984 = 514^2 + 4772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23036183) 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 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (2033703).

Almost surely, 223036180 is an apocalyptic number.

23036180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23036180 is an abundant number, since it is smaller than the sum of its proper divisors (25772692).

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

23036180 is a wasteful number, since it uses less digits than its factorization.

23036180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10313 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23036180 is about 4799.6020668385. The cubic root of 23036180 is about 284.5357374108.

The spelling of 23036180 in words is "twenty-three million, thirty-six thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 10193 20386 40772 50965 101930 203860 1151809 2303618 4607236 5759045 11518090 23036180