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164700270 = 23357259211
BaseRepresentation
bin10011101000100…
…10000001101110
3102110220122022000
421310102001232
5314130402040
624202033130
74036633500
oct1164220156
9373818260
10164700270
1184a72829
12471a87a6
1328177ca7
1417c33d70
15e6d5130
hex9d1206e

164700270 has 192 divisors, whose sum is σ = 522028800. Its totient is φ = 36832320.

The previous prime is 164700259. The next prime is 164700311. The reversal of 164700270 is 72007461.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 780465 + ... + 780675.

It is an arithmetic number, because the mean of its divisors is an integer number (2718900).

Almost surely, 2164700270 is an apocalyptic number.

164700270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164700270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261014400).

164700270 is an abundant number, since it is smaller than the sum of its proper divisors (357328530).

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

164700270 is a wasteful number, since it uses less digits than its factorization.

164700270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 164700270 is about 12833.5603010233. The cubic root of 164700270 is about 548.1483405933.

The spelling of 164700270 in words is "one hundred sixty-four million, seven hundred thousand, two hundred seventy".