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23045960 = 235782307
BaseRepresentation
bin101011111101…
…0011101001000
31121100212010002
41113322131020
521344432320
62141542132
7366613250
oct127723510
947325102
1023045960
1112010853
127874948
134a0b982
1430bc960
152053675
hex15fa748

23045960 has 32 divisors (see below), whose sum is σ = 59261760. Its totient is φ = 7901376.

The previous prime is 23045929. The next prime is 23046007. The reversal of 23045960 is 6954032.

It is a super-2 number, since 2×230459602 = 1062232544643200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40874 + ... + 41433.

It is an arithmetic number, because the mean of its divisors is an integer number (1851930).

Almost surely, 223045960 is an apocalyptic number.

23045960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23045960 is an abundant number, since it is smaller than the sum of its proper divisors (36215800).

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

23045960 is a wasteful number, since it uses less digits than its factorization.

23045960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82325 (or 82321 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23045960 is about 4800.6207931891. The cubic root of 23045960 is about 284.5759982208.

Adding to 23045960 its reverse (6954032), we get a palindrome (29999992).

The spelling of 23045960 in words is "twenty-three million, forty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 82307 164614 329228 411535 576149 658456 823070 1152298 1646140 2304596 2880745 3292280 4609192 5761490 11522980 23045960