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70214188 = 22115330109
BaseRepresentation
bin1000010111101…
…10001000101100
311220010020202111
410023312020230
5120433323223
610544533404
71511545042
oct413661054
9156106674
1070214188
11366a7a60
121b621264
1311715175
14947a392
15626e30d
hex42f622c

70214188 has 24 divisors (see below), whose sum is σ = 136578960. Its totient is φ = 31312320.

The previous prime is 70214167. The next prime is 70214201. The reversal of 70214188 is 88141207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12723 + ... + 17386.

It is an arithmetic number, because the mean of its divisors is an integer number (5690790).

Almost surely, 270214188 is an apocalyptic number.

It is an amenable number.

70214188 is a deficient number, since it is larger than the sum of its proper divisors (66364772).

70214188 is a wasteful number, since it uses less digits than its factorization.

70214188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30177 (or 30175 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 70214188 is about 8379.3906699712. The cubic root of 70214188 is about 412.5484495281.

The spelling of 70214188 in words is "seventy million, two hundred fourteen thousand, one hundred eighty-eight".

Divisors: 1 2 4 11 22 44 53 106 212 583 1166 2332 30109 60218 120436 331199 662398 1324796 1595777 3191554 6383108 17553547 35107094 70214188