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70057580 = 2253502879
BaseRepresentation
bin1000010110011…
…11111001101100
311212211021221012
410023033321230
5120413320310
610541324352
71510323335
oct413177154
9155737835
1070057580
113660032a
121b5666b8
131168bab8
14943928c
15623cc05
hex42cfe6c

70057580 has 12 divisors (see below), whose sum is σ = 147120960. Its totient is φ = 28023024.

The previous prime is 70057577. The next prime is 70057583. The reversal of 70057580 is 8575007.

It is an interprime number because it is at equal distance from previous prime (70057577) and next prime (70057583).

It is not an unprimeable number, because it can be changed into a prime (70057583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751420 + ... + 1751459.

It is an arithmetic number, because the mean of its divisors is an integer number (12260080).

Almost surely, 270057580 is an apocalyptic number.

It is an amenable number.

70057580 is an abundant number, since it is smaller than the sum of its proper divisors (77063380).

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

70057580 is a wasteful number, since it uses less digits than its factorization.

70057580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502888 (or 3502886 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 70057580 is about 8370.0406211679. The cubic root of 70057580 is about 412.2415007289.

The spelling of 70057580 in words is "seventy million, fifty-seven thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 3502879 7005758 14011516 17514395 35028790 70057580