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70302618 = 2324195261
BaseRepresentation
bin1000011000010…
…11101110011010
311220021202001200
410030023232122
5120444140433
610550455030
71512363621
oct414135632
9156252050
1070302618
1136758441
121b664476
13117464a9
1494a06b8
15628a613
hex430bb9a

70302618 has 24 divisors (see below), whose sum is σ = 156039156. Its totient is φ = 22862400.

The previous prime is 70302587. The next prime is 70302619. The reversal of 70302618 is 81620307.

It can be written as a sum of positive squares in 2 ways, for example, as 53187849 + 17114769 = 7293^2 + 4137^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70302591 and 70302600.

It is not an unprimeable number, because it can be changed into a prime (70302619) 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 11 ways as a sum of consecutive naturals, for example, 46893 + ... + 48368.

Almost surely, 270302618 is an apocalyptic number.

70302618 is an abundant number, since it is smaller than the sum of its proper divisors (85736538).

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

70302618 is a wasteful number, since it uses less digits than its factorization.

70302618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95310 (or 95307 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70302618 is about 8384.6656462855. The cubic root of 70302618 is about 412.7215691199.

The spelling of 70302618 in words is "seventy million, three hundred two thousand, six hundred eighteen".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 95261 190522 285783 571566 857349 1714698 3905701 7811402 11717103 23434206 35151309 70302618