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70372086 = 23191394441
BaseRepresentation
bin1000011000111…
…00101011110110
311220102021100120
410030130223312
5121003401321
610552152410
71513103301
oct414345366
9156367316
1070372086
11367a5654
121b698706
131176bcb5
1494bbb38
1562a0ec6
hex431caf6

70372086 has 32 divisors (see below), whose sum is σ = 149251200. Its totient is φ = 22057920.

The previous prime is 70372079. The next prime is 70372091. The reversal of 70372086 is 68027307.

It is a congruent number.

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, 13626 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (4664100).

Almost surely, 270372086 is an apocalyptic number.

70372086 is an abundant number, since it is smaller than the sum of its proper divisors (78879114).

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

70372086 is a wasteful number, since it uses less digits than its factorization.

70372086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70372086 is about 8388.8071857684. The cubic root of 70372086 is about 412.8574649772.

The spelling of 70372086 in words is "seventy million, three hundred seventy-two thousand, eighty-six".

Divisors: 1 2 3 6 19 38 57 114 139 278 417 834 2641 4441 5282 7923 8882 13323 15846 26646 84379 168758 253137 506274 617299 1234598 1851897 3703794 11728681 23457362 35186043 70372086