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164631103 = 7131809133
BaseRepresentation
bin10011101000000…
…01001000111111
3102110210010102021
421310001020333
5314121143403
624200341011
74036225030
oct1164011077
9373703367
10164631103
1184a2586a
1247174767
1328152670
1417c16a87
15e6be8bd
hex9d0123f

164631103 has 8 divisors (see below), whose sum is σ = 202623008. Its totient is φ = 130257504.

The previous prime is 164631101. The next prime is 164631121. The reversal of 164631103 is 301136461.

It is a happy number.

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

It is not a de Polignac number, because 164631103 - 21 = 164631101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164631101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904476 + ... + 904657.

It is an arithmetic number, because the mean of its divisors is an integer number (25327876).

Almost surely, 2164631103 is an apocalyptic number.

164631103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164631103 is a deficient number, since it is larger than the sum of its proper divisors (37991905).

164631103 is a wasteful number, since it uses less digits than its factorization.

164631103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809153.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 164631103 is about 12830.8652475194. The cubic root of 164631103 is about 548.0715969732.

Adding to 164631103 its reverse (301136461), we get a palindrome (465767564).

The spelling of 164631103 in words is "one hundred sixty-four million, six hundred thirty-one thousand, one hundred three".

Divisors: 1 7 13 91 1809133 12663931 23518729 164631103