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70700872 = 23113072617
BaseRepresentation
bin1000011011011…
…00111101001000
311221000222100211
410031230331020
5121044411442
611003210504
71515642664
oct415547510
9157028324
1070700872
11369aa680
121b816a34
1311855848
1495658a4
156318617
hex436cf48

70700872 has 32 divisors (see below), whose sum is σ = 145141920. Its totient is φ = 32019840.

The previous prime is 70700837. The next prime is 70700893. The reversal of 70700872 is 27800707.

It is a super-3 number, since 3×707008723 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25708 + ... + 28324.

It is an arithmetic number, because the mean of its divisors is an integer number (4535685).

Almost surely, 270700872 is an apocalyptic number.

It is an amenable number.

70700872 is an abundant number, since it is smaller than the sum of its proper divisors (74441048).

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

70700872 is a wasteful number, since it uses less digits than its factorization.

70700872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 70700872 is about 8408.3810570169. The cubic root of 70700872 is about 413.4994378064.

The spelling of 70700872 in words is "seventy million, seven hundred thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 307 614 1228 2456 2617 3377 5234 6754 10468 13508 20936 27016 28787 57574 115148 230296 803419 1606838 3213676 6427352 8837609 17675218 35350436 70700872