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70650677 = 431643039
BaseRepresentation
bin1000011011000…
…00101100110101
311220221102111202
410031200230311
5121041310202
611002142245
71515343436
oct415405465
9156842452
1070650677
1136975999
121b7b1985
1311838a46
14955148d
156308802
hex4360b35

70650677 has 4 divisors (see below), whose sum is σ = 72293760. Its totient is φ = 69007596.

The previous prime is 70650647. The next prime is 70650689. The reversal of 70650677 is 77605607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70650677 - 210 = 70649653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70650677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70650647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821477 + ... + 821562.

It is an arithmetic number, because the mean of its divisors is an integer number (18073440).

Almost surely, 270650677 is an apocalyptic number.

It is an amenable number.

70650677 is a deficient number, since it is larger than the sum of its proper divisors (1643083).

70650677 is a wasteful number, since it uses less digits than its factorization.

70650677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643082.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 70650677 is about 8405.3957075203. The cubic root of 70650677 is about 413.4015582115.

The spelling of 70650677 in words is "seventy million, six hundred fifty thousand, six hundred seventy-seven".

Divisors: 1 43 1643039 70650677