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70057914 = 2313218839
BaseRepresentation
bin1000010110011…
…11111110111010
311212211022101120
410023033332322
5120413323124
610541330110
71510324323
oct413177672
9155738346
1070057914
1136600603
121b566936
131168bcb4
14943944a
15623cd79
hex42cffba

70057914 has 16 divisors (see below), whose sum is σ = 140237760. Its totient is φ = 23332320.

The previous prime is 70057913. The next prime is 70057963. The reversal of 70057914 is 41975007.

It is a super-2 number, since 2×700579142 = 9816222628062792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70057913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507 + ... + 12345.

It is an arithmetic number, because the mean of its divisors is an integer number (8764860).

Almost surely, 270057914 is an apocalyptic number.

70057914 is an abundant number, since it is smaller than the sum of its proper divisors (70179846).

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

70057914 is a wasteful number, since it uses less digits than its factorization.

70057914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 70057914 is about 8370.0605732575. The cubic root of 70057914 is about 412.2421558493.

The spelling of 70057914 in words is "seventy million, fifty-seven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 1321 2642 3963 7926 8839 17678 26517 53034 11676319 23352638 35028957 70057914