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70406670 = 23511512039
BaseRepresentation
bin1000011001001…
…01001000001110
311220111000210110
410030211020032
5121011003140
610553020450
71513306155
oct414451016
9156430713
1070406670
1136819634
121b6b4726
1311781969
1494ca59c
1562ab380
hex432520e

70406670 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 18749600.

The previous prime is 70406669. The next prime is 70406683. The reversal of 70406670 is 7660407.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33511 + ... + 35549.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 270406670 is an apocalyptic number.

70406670 is an abundant number, since it is smaller than the sum of its proper divisors (98799090).

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

70406670 is a wasteful number, since it uses less digits than its factorization.

70406670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 70406670 is about 8390.8682506639. The cubic root of 70406670 is about 412.9250861275.

The spelling of 70406670 in words is "seventy million, four hundred six thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1151 2039 2302 3453 4078 5755 6117 6906 10195 11510 12234 17265 20390 30585 34530 61170 2346889 4693778 7040667 11734445 14081334 23468890 35203335 70406670