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164744768 = 2623111919
BaseRepresentation
bin10011101000111…
…00111001000000
3102110222220100002
421310130321000
5314133313033
624203015132
74040210306
oct1164347100
9373886302
10164744768
1184aa3201
124720a4a8
1328192316
1417c46276
15e6e33e8
hex9d1ce40

164744768 has 28 divisors (see below), whose sum is σ = 341132160. Its totient is φ = 78790272.

The previous prime is 164744761. The next prime is 164744849. The reversal of 164744768 is 867447461.

It is not an unprimeable number, because it can be changed into a prime (164744761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54488 + ... + 57431.

Almost surely, 2164744768 is an apocalyptic number.

It is an amenable number.

164744768 is an abundant number, since it is smaller than the sum of its proper divisors (176387392).

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

164744768 is a wasteful number, since it uses less digits than its factorization.

164744768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111954 (or 111944 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 164744768 is about 12835.2938415916. The cubic root of 164744768 is about 548.1977015902.

The spelling of 164744768 in words is "one hundred sixty-four million, seven hundred forty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 111919 223838 447676 895352 1790704 2574137 3581408 5148274 7162816 10296548 20593096 41186192 82372384 164744768