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164267290 = 25111493339
BaseRepresentation
bin10011100101010…
…00010100011010
3102110002122100201
421302220110122
5314023023130
624144452414
74033151245
oct1162502432
9373078321
10164267290
11847a74a0
124701a10a
1328055ba5
1417b6025c
15e64bbca
hex9ca851a

164267290 has 16 divisors (see below), whose sum is σ = 322561440. Its totient is φ = 59733520.

The previous prime is 164267273. The next prime is 164267291. The reversal of 164267290 is 92762461.

It is not an unprimeable number, because it can be changed into a prime (164267291) 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, 746560 + ... + 746779.

It is an arithmetic number, because the mean of its divisors is an integer number (20160090).

Almost surely, 2164267290 is an apocalyptic number.

164267290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164267290 is a deficient number, since it is larger than the sum of its proper divisors (158294150).

164267290 is a wasteful number, since it uses less digits than its factorization.

164267290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493357.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 164267290 is about 12816.6801473705. The cubic root of 164267290 is about 547.6675772625.

It can be divided in two parts, 16426 and 7290, that added together give a square (23716 = 1542).

The spelling of 164267290 in words is "one hundred sixty-four million, two hundred sixty-seven thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 1493339 2986678 7466695 14933390 16426729 32853458 82133645 164267290