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70115361 = 3173973463
BaseRepresentation
bin1000010110111…
…10000000100001
311212221020012020
410023132000201
5120422142421
610542452053
71510653651
oct413360041
9155836166
1070115361
113663a788
121b594029
13116ac1a4
149452361
15624edc6
hex42de021

70115361 has 16 divisors (see below), whose sum is σ = 99264384. Its totient is φ = 43870464.

The previous prime is 70115347. The next prime is 70115369. The reversal of 70115361 is 16351107.

It is not a de Polignac number, because 70115361 - 27 = 70115233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70115369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18516 + ... + 21978.

It is an arithmetic number, because the mean of its divisors is an integer number (6204024).

Almost surely, 270115361 is an apocalyptic number.

It is an amenable number.

70115361 is a deficient number, since it is larger than the sum of its proper divisors (29149023).

70115361 is a wasteful number, since it uses less digits than its factorization.

70115361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 70115361 is about 8373.4915656493. The cubic root of 70115361 is about 412.3548036273.

Adding to 70115361 its reverse (16351107), we get a palindrome (86466468).

The spelling of 70115361 in words is "seventy million, one hundred fifteen thousand, three hundred sixty-one".

Divisors: 1 3 17 51 397 1191 3463 6749 10389 20247 58871 176613 1374811 4124433 23371787 70115361