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70117061 = 717589219
BaseRepresentation
bin1000010110111…
…10011011000101
311212221022112012
410023132123011
5120422221221
610542504005
71510661630
oct413363305
9155838465
1070117061
1136640a93
121b595005
13116acbb1
149452c17
15625065b
hex42de6c5

70117061 has 8 divisors (see below), whose sum is σ = 84847680. Its totient is φ = 56564928.

The previous prime is 70117057. The next prime is 70117063. The reversal of 70117061 is 16071107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70117061 - 22 = 70117057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70117063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294491 + ... + 294728.

It is an arithmetic number, because the mean of its divisors is an integer number (10605960).

Almost surely, 270117061 is an apocalyptic number.

It is an amenable number.

70117061 is a deficient number, since it is larger than the sum of its proper divisors (14730619).

70117061 is a wasteful number, since it uses less digits than its factorization.

70117061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589243.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 70117061 is about 8373.5930758546. The cubic root of 70117061 is about 412.3581362184.

Adding to 70117061 its reverse (16071107), we get a palindrome (86188168).

The spelling of 70117061 in words is "seventy million, one hundred seventeen thousand, sixty-one".

Divisors: 1 7 17 119 589219 4124533 10016723 70117061