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70678269 = 3226832927
BaseRepresentation
bin1000011011001…
…11011011111101
311220222211100200
410031213123331
5121043201034
611002514113
71515520044
oct415473375
9156884320
1070678269
11369946a2
121b805939
131184847c
14955b55b
156311a99
hex43676fd

70678269 has 12 divisors (see below), whose sum is σ = 102163776. Its totient is φ = 47085192.

The previous prime is 70678261. The next prime is 70678277. The reversal of 70678269 is 96287607.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70678261) and next prime (70678277).

It is not a de Polignac number, because 70678269 - 23 = 70678261 is a prime.

It is a super-2 number, since 2×706782692 = 9990835417672722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70678261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22684 + ... + 25610.

It is an arithmetic number, because the mean of its divisors is an integer number (8513648).

Almost surely, 270678269 is an apocalyptic number.

It is an amenable number.

70678269 is a deficient number, since it is larger than the sum of its proper divisors (31485507).

70678269 is a wasteful number, since it uses less digits than its factorization.

70678269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 70678269 is about 8407.0368739527. The cubic root of 70678269 is about 413.4553679870.

The spelling of 70678269 in words is "seventy million, six hundred seventy-eight thousand, two hundred sixty-nine".

Divisors: 1 3 9 2683 2927 8049 8781 24147 26343 7853141 23559423 70678269