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70407616 = 261957901
BaseRepresentation
bin1000011001001…
…01010111000000
311220111002002111
410030211113000
5121011020431
610553025104
71513312006
oct414452700
9156432074
1070407616
113681a314
121b6b5194
1311782216
1494caa76
1562ab7b1
hex43255c0

70407616 has 28 divisors (see below), whose sum is σ = 147071080. Its totient is φ = 33350400.

The previous prime is 70407613. The next prime is 70407637. The reversal of 70407616 is 61670407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70407613) 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, 27735 + ... + 30166.

Almost surely, 270407616 is an apocalyptic number.

70407616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70407616 is an abundant number, since it is smaller than the sum of its proper divisors (76663464).

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

70407616 is a wasteful number, since it uses less digits than its factorization.

70407616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57932 (or 57922 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70407616 is about 8390.9246212798. The cubic root of 70407616 is about 412.9269355043.

The spelling of 70407616 in words is "seventy million, four hundred seven thousand, six hundred sixteen".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 57901 115802 231604 463208 926416 1100119 1852832 2200238 3705664 4400476 8800952 17601904 35203808 70407616