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23046645 = 351790379
BaseRepresentation
bin101011111101…
…0100111110101
31121100220001110
41113322213311
521344443040
62141545233
7366615246
oct127724765
947326043
1023046645
1112011316
127875219
134a0c08b
1430bcccd
152053980
hex15fa9f5

23046645 has 16 divisors (see below), whose sum is σ = 39044160. Its totient is φ = 11568384.

The previous prime is 23046641. The next prime is 23046701. The reversal of 23046645 is 54664032.

It is not a de Polignac number, because 23046645 - 22 = 23046641 is a prime.

It is a super-2 number, since 2×230466452 = 1062295691512050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23046641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44935 + ... + 45444.

It is an arithmetic number, because the mean of its divisors is an integer number (2440260).

Almost surely, 223046645 is an apocalyptic number.

It is an amenable number.

23046645 is a deficient number, since it is larger than the sum of its proper divisors (15997515).

23046645 is a wasteful number, since it uses less digits than its factorization.

23046645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90404.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 23046645 is about 4800.6921375985. The cubic root of 23046645 is about 284.5788176973.

The spelling of 23046645 in words is "twenty-three million, forty-six thousand, six hundred forty-five".

Divisors: 1 3 5 15 17 51 85 255 90379 271137 451895 1355685 1536443 4609329 7682215 23046645