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207693164 = 22721318089
BaseRepresentation
bin11000110000100…
…10010101101100
3112110210220110102
430120102111230
5411132140124
632335330232
75101235300
oct1430222554
9473726412
10207693164
11a7267a48
1259680978
133404bb83
141d825d00
1513378aae
hexc61256c

207693164 has 36 divisors (see below), whose sum is σ = 426084120. Its totient is φ = 88320960.

The previous prime is 207693127. The next prime is 207693181. The reversal of 207693164 is 461396702.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21632 + ... + 29720.

It is an arithmetic number, because the mean of its divisors is an integer number (11835670).

Almost surely, 2207693164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207693164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213042060).

207693164 is an abundant number, since it is smaller than the sum of its proper divisors (218390956).

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

207693164 is a wasteful number, since it uses less digits than its factorization.

207693164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 207693164 is about 14411.5635515374. The cubic root of 207693164 is about 592.2077240058.

The spelling of 207693164 in words is "two hundred seven million, six hundred ninety-three thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 917 1834 3668 6419 8089 12838 16178 25676 32356 56623 113246 226492 396361 792722 1059659 1585444 2119318 4238636 7417613 14835226 29670452 51923291 103846582 207693164