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70626430 = 2574721467
BaseRepresentation
bin1000011010110…
…10110001111110
311220220012020201
410031122301332
5121040021210
611001434114
71515212650
oct415326176
9156805221
1070626430
1136959756
121b79b93a
131182a9b4
1495466d0
15630153a
hex435ac7e

70626430 has 32 divisors (see below), whose sum is σ = 148386816. Its totient is φ = 23698464.

The previous prime is 70626389. The next prime is 70626461. The reversal of 70626430 is 3462607.

70626430 = 4272 + 4282 + ... + 6612.

It is a super-2 number, since 2×706264302 = 9976185229089800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7444 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (4637088).

Almost surely, 270626430 is an apocalyptic number.

70626430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70626430 is an abundant number, since it is smaller than the sum of its proper divisors (77760386).

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

70626430 is a wasteful number, since it uses less digits than its factorization.

70626430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21528.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 70626430 is about 8403.9532364239. The cubic root of 70626430 is about 413.3542602712.

The spelling of 70626430 in words is "seventy million, six hundred twenty-six thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 21467 42934 107335 150269 214670 300538 751345 1008949 1502690 2017898 5044745 7062643 10089490 14125286 35313215 70626430