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70011508 = 22717147083
BaseRepresentation
bin1000010110001…
…00101001110100
311212201221201211
410023010221310
5120410332013
610540331204
71510042120
oct413045164
9155657654
1070011508
1136579756
121b543b04
1311673b38
149426580
15622e23d
hex42c4a74

70011508 has 24 divisors (see below), whose sum is σ = 148260672. Its totient is φ = 28239744.

The previous prime is 70011499. The next prime is 70011541. The reversal of 70011508 is 80511007.

It is a super-2 number, since 2×700115082 = 9803222504868128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73066 + ... + 74017.

It is an arithmetic number, because the mean of its divisors is an integer number (6177528).

Almost surely, 270011508 is an apocalyptic number.

It is an amenable number.

70011508 is an abundant number, since it is smaller than the sum of its proper divisors (78249164).

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

70011508 is a wasteful number, since it uses less digits than its factorization.

70011508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147111 (or 147109 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 70011508 is about 8367.2879716190. The cubic root of 70011508 is about 412.1511133868.

The spelling of 70011508 in words is "seventy million, eleven thousand, five hundred eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 147083 294166 588332 1029581 2059162 2500411 4118324 5000822 10001644 17502877 35005754 70011508