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164253012 = 223711177763
BaseRepresentation
bin10011100101001…
…00110101010100
3102110001220202220
421302210311110
5314022044022
624144302340
74033061520
oct1162446524
9373056686
10164253012
11847977a0
12470119b0
132804c541
1417b58d80
15e64785c
hex9ca4d54

164253012 has 48 divisors (see below), whose sum is σ = 477829632. Its totient is φ = 42662880.

The previous prime is 164253007. The next prime is 164253049. The reversal of 164253012 is 210352461.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87958 + ... + 89805.

It is an arithmetic number, because the mean of its divisors is an integer number (9954784).

Almost surely, 2164253012 is an apocalyptic number.

164253012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164253012 is an abundant number, since it is smaller than the sum of its proper divisors (313576620).

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

164253012 is a wasteful number, since it uses less digits than its factorization.

164253012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177788 (or 177786 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 164253012 is about 12816.1231267494. The cubic root of 164253012 is about 547.6517091729.

The spelling of 164253012 in words is "one hundred sixty-four million, two hundred fifty-three thousand, twelve".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 177763 355526 533289 711052 1066578 1244341 1955393 2133156 2488682 3733023 3910786 4977364 5866179 7466046 7821572 11732358 13687751 14932092 23464716 27375502 41063253 54751004 82126506 164253012