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70372386 = 23272919259
BaseRepresentation
bin1000011000111…
…00110000100010
311220102021202200
410030130300202
5121003404021
610552154030
71513104210
oct414346042
9156367680
1070372386
11367a58a7
121b698916
131176c186
1494bbcb0
1562a1126
hex431cc22

70372386 has 48 divisors (see below), whose sum is σ = 180273600. Its totient is φ = 19412064.

The previous prime is 70372369. The next prime is 70372397. The reversal of 70372386 is 68327307.

It is a super-2 number, since 2×703723862 = 9904545422665992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70372386.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5976 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (3755700).

Almost surely, 270372386 is an apocalyptic number.

70372386 is an abundant number, since it is smaller than the sum of its proper divisors (109901214).

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

70372386 is a wasteful number, since it uses less digits than its factorization.

70372386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70372386 is about 8388.8250667182. The cubic root of 70372386 is about 412.8580516542.

The spelling of 70372386 in words is "seventy million, three hundred seventy-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 29 42 58 63 87 126 174 203 261 406 522 609 1218 1827 3654 19259 38518 57777 115554 134813 173331 269626 346662 404439 558511 808878 1117022 1213317 1675533 2426634 3351066 3909577 5026599 7819154 10053198 11728731 23457462 35186193 70372386