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70070516 = 22101917191
BaseRepresentation
bin1000010110100…
…11000011110100
311212211221200022
410023103003310
5120414224031
610541504312
71510406135
oct413230364
9155757608
1070070516
113660a01a
121b572098
1311694959
14943dc8c
15624197b
hex42d30f4

70070516 has 12 divisors (see below), whose sum is σ = 122750880. Its totient is φ = 34998840.

The previous prime is 70070479. The next prime is 70070519. The reversal of 70070516 is 61507007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70070519) 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, 4520 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (10229240).

Almost surely, 270070516 is an apocalyptic number.

It is an amenable number.

70070516 is a deficient number, since it is larger than the sum of its proper divisors (52680364).

70070516 is a wasteful number, since it uses less digits than its factorization.

70070516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18214 (or 18212 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 70070516 is about 8370.8133416055. The cubic root of 70070516 is about 412.2668723725.

The spelling of 70070516 in words is "seventy million, seventy thousand, five hundred sixteen".

Divisors: 1 2 4 1019 2038 4076 17191 34382 68764 17517629 35035258 70070516