Search a number
-
+
207872328 = 23317577883
BaseRepresentation
bin11000110001111…
…10000101001000
3112111011000020010
430120332011020
5411203403303
632343231520
75102612526
oct1430760510
9474130203
10207872328
11a737a614
12597485a0
13340b25a1
141d871316
15133b1c03
hexc63e148

207872328 has 64 divisors (see below), whose sum is σ = 551828160. Its totient is φ = 65028096.

The previous prime is 207872237. The next prime is 207872339. The reversal of 207872328 is 823278702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234975 + ... + 235857.

It is an arithmetic number, because the mean of its divisors is an integer number (8622315).

Almost surely, 2207872328 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 207872328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275914080).

207872328 is an abundant number, since it is smaller than the sum of its proper divisors (343955832).

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

207872328 is a wasteful number, since it uses less digits than its factorization.

207872328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 207872328 is about 14417.7781922181. The cubic root of 207872328 is about 592.3779620113.

The spelling of 207872328 in words is "two hundred seven million, eight hundred seventy-two thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 577 883 1154 1731 1766 2308 2649 3462 3532 4616 5298 6924 7064 9809 10596 13848 15011 19618 21192 29427 30022 39236 45033 58854 60044 78472 90066 117708 120088 180132 235416 360264 509491 1018982 1528473 2037964 3056946 4075928 6113892 8661347 12227784 17322694 25984041 34645388 51968082 69290776 103936164 207872328