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70426284 = 22319130727
BaseRepresentation
bin1000011001010…
…01111010101100
311220112000200220
410030221322230
5121012120114
610553251340
71513420305
oct414517254
9156460626
1070426284
1136832345
121b703b50
131178a876
1494d37ac
1562b20a9
hex4329eac

70426284 has 24 divisors (see below), whose sum is σ = 165193728. Its totient is φ = 23351760.

The previous prime is 70426283. The next prime is 70426289. The reversal of 70426284 is 48262407.

It is a super-2 number, since 2×704262842 = 9919722956097312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70426283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13072 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (6883072).

Almost surely, 270426284 is an apocalyptic number.

It is an amenable number.

70426284 is an abundant number, since it is smaller than the sum of its proper divisors (94767444).

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

70426284 is a wasteful number, since it uses less digits than its factorization.

70426284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30925 (or 30923 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 70426284 is about 8392.0369398615. The cubic root of 70426284 is about 412.9634270057.

The spelling of 70426284 in words is "seventy million, four hundred twenty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 30727 61454 92181 122908 184362 368724 5868857 11737714 17606571 23475428 35213142 70426284