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164253008 = 2479199653
BaseRepresentation
bin10011100101001…
…00110101010000
3102110001220202202
421302210311100
5314022044013
624144302332
74033061513
oct1162446520
9373056682
10164253008
1184797797
12470119a8
132804c53a
1417b58d7a
15e647858
hex9ca4d50

164253008 has 40 divisors (see below), whose sum is σ = 324384000. Its totient is φ = 80555904.

The previous prime is 164253007. The next prime is 164253049. The reversal of 164253008 is 800352461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164253007) 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, 251210 + ... + 251862.

It is an arithmetic number, because the mean of its divisors is an integer number (8109600).

Almost surely, 2164253008 is an apocalyptic number.

It is an amenable number.

164253008 is a deficient number, since it is larger than the sum of its proper divisors (160130992).

164253008 is a wasteful number, since it uses less digits than its factorization.

164253008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164253008 is about 12816.1229706959. The cubic root of 164253008 is about 547.6517047273.

The spelling of 164253008 in words is "one hundred sixty-four million, two hundred fifty-three thousand, eight".

Divisors: 1 2 4 8 16 79 158 199 316 398 632 653 796 1264 1306 1592 2612 3184 5224 10448 15721 31442 51587 62884 103174 125768 129947 206348 251536 259894 412696 519788 825392 1039576 2079152 10265813 20531626 41063252 82126504 164253008