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70304214 = 2317689257
BaseRepresentation
bin1000011000011…
…00000111010110
311220021211020210
410030030013112
5120444213324
610550510250
71512401361
oct414140726
9156254223
1070304214
1136759662
121b665386
1311747136
1494a10d8
15628ad29
hex430c1d6

70304214 has 16 divisors (see below), whose sum is σ = 148879728. Its totient is φ = 22056192.

The previous prime is 70304209. The next prime is 70304251. The reversal of 70304214 is 41240307.

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, 344527 + ... + 344730.

It is an arithmetic number, because the mean of its divisors is an integer number (9304983).

Almost surely, 270304214 is an apocalyptic number.

70304214 is an abundant number, since it is smaller than the sum of its proper divisors (78575514).

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

70304214 is a wasteful number, since it uses less digits than its factorization.

70304214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689279.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 70304214 is about 8384.7608194867. The cubic root of 70304214 is about 412.7246922783.

The spelling of 70304214 in words is "seventy million, three hundred four thousand, two hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 689257 1378514 2067771 4135542 11717369 23434738 35152107 70304214