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697080487 = 10155712391
BaseRepresentation
bin101001100011001…
…001101010100111
31210120200100122211
4221203021222213
52411423033422
6153100504251
723163041425
oct5143115247
91716610584
10697080487
11328535984
1217554b087
13b155957c
1468818115
15412e7577
hex298c9aa7

697080487 has 8 divisors (see below), whose sum is σ = 705303072. Its totient is φ = 688884000.

The previous prime is 697080473. The next prime is 697080533. The reversal of 697080487 is 784080796.

697080487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-697080487 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 697080487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697080467) 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, 50062 + ... + 62452.

It is an arithmetic number, because the mean of its divisors is an integer number (88162884).

Almost surely, 2697080487 is an apocalyptic number.

697080487 is a deficient number, since it is larger than the sum of its proper divisors (8222585).

697080487 is a wasteful number, since it uses less digits than its factorization.

697080487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 697080487 is about 26402.2818521430. The cubic root of 697080487 is about 886.6678781681.

The spelling of 697080487 in words is "six hundred ninety-seven million, eighty thousand, four hundred eighty-seven".

Divisors: 1 101 557 12391 56257 1251491 6901787 697080487