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164701144 = 2320587643
BaseRepresentation
bin10011101000100…
…10001111011000
3102110220200111101
421310102033120
5314130414034
624202041144
74036636156
oct1164221730
9373820441
10164701144
1184a73453
12471a91b4
13281784ca
1417c343d6
15e6d5514
hex9d123d8

164701144 has 8 divisors (see below), whose sum is σ = 308814660. Its totient is φ = 82350568.

The previous prime is 164701099. The next prime is 164701169. The reversal of 164701144 is 441107461.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 10293814 + ... + 10293829.

Almost surely, 2164701144 is an apocalyptic number.

It is an amenable number.

164701144 is a deficient number, since it is larger than the sum of its proper divisors (144113516).

164701144 is a wasteful number, since it uses less digits than its factorization.

164701144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20587649 (or 20587645 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 164701144 is about 12833.5943523239. The cubic root of 164701144 is about 548.1493101947.

The spelling of 164701144 in words is "one hundred sixty-four million, seven hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 20587643 41175286 82350572 164701144