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23045012 = 225761253
BaseRepresentation
bin101011111101…
…0001110010100
31121100210210222
41113322032110
521344420022
62141533512
7366610424
oct127721624
947323728
1023045012
1112010071
127874298
134a0b403
1430bc484
152053242
hex15fa394

23045012 has 6 divisors (see below), whose sum is σ = 40328778. Its totient is φ = 11522504.

The previous prime is 23045003. The next prime is 23045017. The reversal of 23045012 is 21054032.

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 1552516 = 4636^2 + 1246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880623 + ... + 2880630.

It is an arithmetic number, because the mean of its divisors is an integer number (6721463).

Almost surely, 223045012 is an apocalyptic number.

It is an amenable number.

23045012 is a deficient number, since it is larger than the sum of its proper divisors (17283766).

23045012 is a wasteful number, since it uses less digits than its factorization.

23045012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761257 (or 5761255 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23045012 is about 4800.5220549436. The cubic root of 23045012 is about 284.5720961378.

Adding to 23045012 its reverse (21054032), we get a palindrome (44099044).

The spelling of 23045012 in words is "twenty-three million, forty-five thousand, twelve".

Divisors: 1 2 4 5761253 11522506 23045012