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70714889 = 721443161
BaseRepresentation
bin1000011011100…
…00011000001001
311221001200120222
410031300120021
5121100334024
611003355425
71516031600
oct415603011
9157050528
1070714889
1136a0a163
121b822b75
131185c03b
14956aa37
15631c85e
hex4370609

70714889 has 6 divisors (see below), whose sum is σ = 82260234. Its totient is φ = 60612720.

The previous prime is 70714877. The next prime is 70714901. The reversal of 70714889 is 98841707.

It is an interprime number because it is at equal distance from previous prime (70714877) and next prime (70714901).

It can be written as a sum of positive squares in only one way, i.e., 68343289 + 2371600 = 8267^2 + 1540^2 .

It is a de Polignac number, because none of the positive numbers 2k-70714889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70714829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 721532 + ... + 721629.

It is an arithmetic number, because the mean of its divisors is an integer number (13710039).

Almost surely, 270714889 is an apocalyptic number.

It is an amenable number.

70714889 is a deficient number, since it is larger than the sum of its proper divisors (11545345).

70714889 is a wasteful number, since it uses less digits than its factorization.

70714889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443175 (or 1443168 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 70714889 is about 8409.2145293125. The cubic root of 70714889 is about 413.5267624982.

The spelling of 70714889 in words is "seventy million, seven hundred fourteen thousand, eight hundred eighty-nine".

Divisors: 1 7 49 1443161 10102127 70714889