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164764501 = 1114978591
BaseRepresentation
bin10011101001000…
…01101101010101
3102111000220101221
421310201231111
5314134431001
624203250341
74040321656
oct1164415525
9374026357
10164764501
1185007010
12472199b1
132819b2b5
1417c4d52d
15e6e91a1
hex9d21b55

164764501 has 4 divisors (see below), whose sum is σ = 179743104. Its totient is φ = 149785900.

The previous prime is 164764471. The next prime is 164764507. The reversal of 164764501 is 105467461.

164764501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 164764501 - 223 = 156375893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164764507) 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, 7489285 + ... + 7489306.

It is an arithmetic number, because the mean of its divisors is an integer number (44935776).

Almost surely, 2164764501 is an apocalyptic number.

164764501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164764501 is a deficient number, since it is larger than the sum of its proper divisors (14978603).

164764501 is a wasteful number, since it uses less digits than its factorization.

164764501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14978602.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 164764501 is about 12836.0625193242. The cubic root of 164764501 is about 548.2195882809.

The spelling of 164764501 in words is "one hundred sixty-four million, seven hundred sixty-four thousand, five hundred one".

Divisors: 1 11 14978591 164764501