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213147968 = 2611302767
BaseRepresentation
bin11001011010001…
…10000101000000
3112212002001001012
430231012011000
5414031213333
633052300052
75165504435
oct1455060500
9485061035
10213147968
11aa353250
125b471628
133520b977
1420445b8c
1513aa4e48
hexcb46140

213147968 has 28 divisors (see below), whose sum is σ = 461418432. Its totient is φ = 96885120.

The previous prime is 213147929. The next prime is 213147983. The reversal of 213147968 is 869741312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150680 + ... + 152087.

Almost surely, 2213147968 is an apocalyptic number.

It is an amenable number.

213147968 is an abundant number, since it is smaller than the sum of its proper divisors (248270464).

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

213147968 is a wasteful number, since it uses less digits than its factorization.

213147968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302790 (or 302780 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 213147968 is about 14599.5879393906. The cubic root of 213147968 is about 597.3475208330.

The spelling of 213147968 in words is "two hundred thirteen million, one hundred forty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 302767 605534 1211068 2422136 3330437 4844272 6660874 9688544 13321748 19377088 26643496 53286992 106573984 213147968