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70116405 = 357165837
BaseRepresentation
bin1000010110111…
…10010000110101
311212221021121220
410023132100311
5120422211110
610542500553
71510660002
oct413362065
9155837556
1070116405
1136640547
121b594759
13116ac7c8
1494528a9
156250370
hex42de435

70116405 has 16 divisors (see below), whose sum is σ = 113768064. Its totient is φ = 36868160.

The previous prime is 70116401. The next prime is 70116413. The reversal of 70116405 is 50461107.

It is not a de Polignac number, because 70116405 - 22 = 70116401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70116401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31854 + ... + 33983.

It is an arithmetic number, because the mean of its divisors is an integer number (7110504).

Almost surely, 270116405 is an apocalyptic number.

It is an amenable number.

70116405 is a deficient number, since it is larger than the sum of its proper divisors (43651659).

70116405 is a wasteful number, since it uses less digits than its factorization.

70116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65916.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 70116405 is about 8373.5539050035. The cubic root of 70116405 is about 412.3568502367.

The spelling of 70116405 in words is "seventy million, one hundred sixteen thousand, four hundred five".

Divisors: 1 3 5 15 71 213 355 1065 65837 197511 329185 987555 4674427 14023281 23372135 70116405