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70307706 = 2371673993
BaseRepresentation
bin1000011000011…
…00111101111010
311220022000001010
410030030331322
5120444321311
610550534350
71512414510
oct414147572
9156260033
1070307706
1136761247
121b6673b6
13117488c1
1494a24b0
15628bda6
hex430cf7a

70307706 has 16 divisors (see below), whose sum is σ = 160703424. Its totient is φ = 20087904.

The previous prime is 70307701. The next prime is 70307717. The reversal of 70307706 is 60770307.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70307701) 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, 836955 + ... + 837038.

It is an arithmetic number, because the mean of its divisors is an integer number (10043964).

Almost surely, 270307706 is an apocalyptic number.

70307706 is an abundant number, since it is smaller than the sum of its proper divisors (90395718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70307706 is a wasteful number, since it uses less digits than its factorization.

70307706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674005.

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 70307706 is about 8384.9690518212. The cubic root of 70307706 is about 412.7315254902.

The spelling of 70307706 in words is "seventy million, three hundred seven thousand, seven hundred six".

Divisors: 1 2 3 6 7 14 21 42 1673993 3347986 5021979 10043958 11717951 23435902 35153853 70307706