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164431110 = 2355481037
BaseRepresentation
bin10011100110100…
…00010100000110
3102110101222002010
421303100110012
5314043243420
624152155050
74034432664
oct1163202406
9373358063
10164431110
11848a9588
1247098a86
13280b261c
1417ba3c34
15e6804e0
hex9cd0506

164431110 has 16 divisors (see below), whose sum is σ = 394634736. Its totient is φ = 43848288.

The previous prime is 164431109. The next prime is 164431121. The reversal of 164431110 is 11134461.

It is a super-3 number, since 3×1644311103 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2740489 + ... + 2740548.

It is an arithmetic number, because the mean of its divisors is an integer number (24664671).

Almost surely, 2164431110 is an apocalyptic number.

164431110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164431110 is an abundant number, since it is smaller than the sum of its proper divisors (230203626).

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

164431110 is a wasteful number, since it uses less digits than its factorization.

164431110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481047.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 164431110 is about 12823.0694453395. The cubic root of 164431110 is about 547.8495755454.

Adding to 164431110 its reverse (11134461), we get a palindrome (175565571).

The spelling of 164431110 in words is "one hundred sixty-four million, four hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 5481037 10962074 16443111 27405185 32886222 54810370 82215555 164431110