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70712103 = 3711443691
BaseRepresentation
bin1000011011011…
…11101100100111
311221001112202210
410031233230213
5121100241403
611003334503
71516020510
oct415575447
9157045683
1070712103
1136a08060
121b821433
131185a9a7
149569a07
15631bb03
hex436fb27

70712103 has 32 divisors (see below), whose sum is σ = 117983232. Its totient is φ = 36597600.

The previous prime is 70712101. The next prime is 70712113. The reversal of 70712103 is 30121707.

It is not a de Polignac number, because 70712103 - 21 = 70712101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 70712103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70712101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101988 + ... + 102678.

It is an arithmetic number, because the mean of its divisors is an integer number (3686976).

Almost surely, 270712103 is an apocalyptic number.

70712103 is a deficient number, since it is larger than the sum of its proper divisors (47271129).

70712103 is a wasteful number, since it uses less digits than its factorization.

70712103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 70712103 is about 8409.0488760620. The cubic root of 70712103 is about 413.5213317669.

The spelling of 70712103 in words is "seventy million, seven hundred twelve thousand, one hundred three".

Divisors: 1 3 7 11 21 33 77 231 443 691 1329 2073 3101 4837 4873 7601 9303 14511 14619 22803 34111 53207 102333 159621 306113 918339 2142791 3367243 6428373 10101729 23570701 70712103