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23170664 = 2311263303
BaseRepresentation
bin101100001100…
…0111001101000
31121121012011202
41120120321220
521412430124
62144343332
7400642646
oct130307150
947535152
1023170664
1112096510
127914b48
134a5366a
143112196
15207a5ae
hex1618e68

23170664 has 16 divisors (see below), whose sum is σ = 47394720. Its totient is φ = 10532080.

The previous prime is 23170661. The next prime is 23170669. The reversal of 23170664 is 46607132.

It is not an unprimeable number, because it can be changed into a prime (23170661) 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 3 ways as a sum of consecutive naturals, for example, 131564 + ... + 131739.

It is an arithmetic number, because the mean of its divisors is an integer number (2962170).

Almost surely, 223170664 is an apocalyptic number.

It is an amenable number.

23170664 is an abundant number, since it is smaller than the sum of its proper divisors (24224056).

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

23170664 is a wasteful number, since it uses less digits than its factorization.

23170664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263320 (or 263316 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 23170664 is about 4813.5915904863. The cubic root of 23170664 is about 285.0883649253.

Adding to 23170664 its reverse (46607132), we get a palindrome (69777796).

The spelling of 23170664 in words is "twenty-three million, one hundred seventy thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 263303 526606 1053212 2106424 2896333 5792666 11585332 23170664