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164702496 = 25371371789
BaseRepresentation
bin10011101000100…
…10100100100000
3102110220202100110
421310102210200
5314130434441
624202051320
74036643130
oct1164224440
9373822313
10164702496
1184a74472
12471a9b40
1328178cca
1417c34ac0
15e6d5b16
hex9d12920

164702496 has 96 divisors (see below), whose sum is σ = 497992320. Its totient is φ = 46688256.

The previous prime is 164702491. The next prime is 164702497. The reversal of 164702496 is 694207461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (164702491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91170 + ... + 92958.

It is an arithmetic number, because the mean of its divisors is an integer number (5187420).

Almost surely, 2164702496 is an apocalyptic number.

164702496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164702496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248996160).

164702496 is an abundant number, since it is smaller than the sum of its proper divisors (333289824).

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

164702496 is a wasteful number, since it uses less digits than its factorization.

164702496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 164702496 is about 12833.6470264691. The cubic root of 164702496 is about 548.1508100746.

The spelling of 164702496 in words is "one hundred sixty-four million, seven hundred two thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 137 168 224 274 336 411 548 672 822 959 1096 1644 1789 1918 2192 2877 3288 3578 3836 4384 5367 5754 6576 7156 7672 10734 11508 12523 13152 14312 15344 21468 23016 25046 28624 30688 37569 42936 46032 50092 57248 75138 85872 92064 100184 150276 171744 200368 245093 300552 400736 490186 601104 735279 980372 1202208 1470558 1715651 1960744 2941116 3431302 3921488 5146953 5882232 6862604 7842976 10293906 11764464 13725208 20587812 23528928 27450416 41175624 54900832 82351248 164702496