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70564760 = 2357252017
BaseRepresentation
bin1000011010010…
…11101110011000
311220210001122122
410031023232120
5121031033020
611000240412
71514535110
oct415135630
9156701578
1070564760
1136917392
121b770108
13118088c6
14952c040
1562dd125
hex434bb98

70564760 has 32 divisors (see below), whose sum is σ = 181452960. Its totient is φ = 24193536.

The previous prime is 70564709. The next prime is 70564777. The reversal of 70564760 is 6746507.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 70564760.

It is a congruent number.

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, 125729 + ... + 126288.

It is an arithmetic number, because the mean of its divisors is an integer number (5670405).

Almost surely, 270564760 is an apocalyptic number.

70564760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70564760 is an abundant number, since it is smaller than the sum of its proper divisors (110888200).

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

70564760 is a wasteful number, since it uses less digits than its factorization.

70564760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252035 (or 252031 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 70564760 is about 8400.2833285551. The cubic root of 70564760 is about 413.2339135377.

The spelling of 70564760 in words is "seventy million, five hundred sixty-four thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 252017 504034 1008068 1260085 1764119 2016136 2520170 3528238 5040340 7056476 8820595 10080680 14112952 17641190 35282380 70564760