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164752163 = 712579029
BaseRepresentation
bin10011101000111…
…10101100100011
3102111000021110222
421310132230203
5314134032123
624203113255
74040241002
oct1164365443
9374007428
10164752163
1184aa8814
124721282b
13281957b4
1417c48c39
15e6e56c8
hex9d1eb23

164752163 has 8 divisors (see below), whose sum is σ = 167741280. Its totient is φ = 161781760.

The previous prime is 164752139. The next prime is 164752171. The reversal of 164752163 is 361257461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164752163 - 26 = 164752099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164752123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13733 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (20967660).

Almost surely, 2164752163 is an apocalyptic number.

164752163 is a deficient number, since it is larger than the sum of its proper divisors (2989117).

164752163 is an equidigital number, since it uses as much as digits as its factorization.

164752163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357.

The product of its digits is 30240, while the sum is 35.

The square root of 164752163 is about 12835.5819112341. The cubic root of 164752163 is about 548.2059038969.

The spelling of 164752163 in words is "one hundred sixty-four million, seven hundred fifty-two thousand, one hundred sixty-three".

Divisors: 1 71 257 9029 18247 641059 2320453 164752163