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682971469 = 1201568669
BaseRepresentation
bin101000101101010…
…101000101001101
31202121010112201121
4220231111011031
52344320041334
6151434240541
722632106315
oct5055250515
91677115647
10682971469
11320579634
12170886151
13ab65963b
14669c4445
153ee5bdb4
hex28b5514d

682971469 has 4 divisors (see below), whose sum is σ = 683541340. Its totient is φ = 682401600.

The previous prime is 682971461. The next prime is 682971517. The reversal of 682971469 is 964179286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216972900 + 465998569 = 14730^2 + 21587^2 .

It is a cyclic number.

It is not a de Polignac number, because 682971469 - 23 = 682971461 is a prime.

It is a super-2 number, since 2×6829714692 = 932900054936035922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682971461) 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, 283134 + ... + 285535.

It is an arithmetic number, because the mean of its divisors is an integer number (170885335).

Almost surely, 2682971469 is an apocalyptic number.

It is an amenable number.

682971469 is a deficient number, since it is larger than the sum of its proper divisors (569871).

682971469 is a wasteful number, since it uses less digits than its factorization.

682971469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569870.

The product of its digits is 1306368, while the sum is 52.

The square root of 682971469 is about 26133.7228308559. The cubic root of 682971469 is about 880.6449597808.

The spelling of 682971469 in words is "six hundred eighty-two million, nine hundred seventy-one thousand, four hundred sixty-nine".

Divisors: 1 1201 568669 682971469