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676465631 = 2812407351
BaseRepresentation
bin101000010100100…
…000101111011111
31202010220000101122
4220110200233133
52341133400011
6151043001155
722522602002
oct5024405737
91663800348
10676465631
11317935706
1216a6691bb
13aa1bc32a
1465bad539
153e5c43db
hex28520bdf

676465631 has 4 divisors (see below), whose sum is σ = 678873264. Its totient is φ = 674058000.

The previous prime is 676465619. The next prime is 676465633. The reversal of 676465631 is 136564676.

676465631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-676465631 is a prime.

It is a super-2 number, since 2×6764656312 = 915211499848456322, 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 (676465633) 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, 1203395 + ... + 1203956.

It is an arithmetic number, because the mean of its divisors is an integer number (169718316).

Almost surely, 2676465631 is an apocalyptic number.

676465631 is a deficient number, since it is larger than the sum of its proper divisors (2407633).

676465631 is a wasteful number, since it uses less digits than its factorization.

676465631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407632.

The product of its digits is 544320, while the sum is 44.

The square root of 676465631 is about 26008.9529008763. The cubic root of 676465631 is about 877.8397559892.

The spelling of 676465631 in words is "six hundred seventy-six million, four hundred sixty-five thousand, six hundred thirty-one".

Divisors: 1 281 2407351 676465631