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70711430 = 2523213367
BaseRepresentation
bin1000011011011…
…11100010000110
311221001111211212
410031233202012
5121100231210
611003331422
71516015526
oct415574206
9157044755
1070711430
1136a075a9
121b820b72
131185a5aa
149569686
15631b805
hex436f886

70711430 has 24 divisors (see below), whose sum is σ = 133065072. Its totient is φ = 27052784.

The previous prime is 70711427. The next prime is 70711439. The reversal of 70711430 is 3411707.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 70711396 and 70711405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70711439) 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, 1394 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (5544378).

Almost surely, 270711430 is an apocalyptic number.

70711430 is a deficient number, since it is larger than the sum of its proper divisors (62353642).

70711430 is a wasteful number, since it uses less digits than its factorization.

70711430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13397 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70711430 is about 8409.0088595506. The cubic root of 70711430 is about 413.5200198711.

The spelling of 70711430 in words is "seventy million, seven hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 529 1058 2645 5290 13367 26734 66835 133670 307441 614882 1537205 3074410 7071143 14142286 35355715 70711430