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70129607 = 1722271069
BaseRepresentation
bin1000010111000…
…01011111000111
311212221221201212
410023201133013
5120423121412
610543042035
71511043332
oct413413707
9155857655
1070129607
113664a459
121b5a031b
13116b5812
149457619
156254222
hex42e17c7

70129607 has 12 divisors (see below), whose sum is σ = 74895720. Its totient is φ = 65652096.

The previous prime is 70129601. The next prime is 70129613. The reversal of 70129607 is 70692107.

It is an interprime number because it is at equal distance from previous prime (70129601) and next prime (70129613).

It is not a de Polignac number, because 70129607 - 218 = 69867463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70129601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65069 + ... + 66137.

It is an arithmetic number, because the mean of its divisors is an integer number (6241310).

Almost surely, 270129607 is an apocalyptic number.

70129607 is a deficient number, since it is larger than the sum of its proper divisors (4766113).

70129607 is a wasteful number, since it uses less digits than its factorization.

70129607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 70129607 is about 8374.3421831210. The cubic root of 70129607 is about 412.3827290758.

Subtracting 70129607 from its reverse (70692107), we obtain a square (562500 = 7502).

The spelling of 70129607 in words is "seventy million, one hundred twenty-nine thousand, six hundred seven".

Divisors: 1 17 227 289 1069 3859 18173 65603 242663 308941 4125271 70129607