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497444631 = 3315419887
BaseRepresentation
bin11101101001100…
…110011100010111
31021200000210202020
4131221212130113
52004321212011
6121205544223
715220131615
oct3551463427
91250023666
10497444631
11235881572
1211a715073
137c09bc48
144a0cc6b5
152da11006
hex1da66717

497444631 has 16 divisors (see below), whose sum is σ = 685989888. Its totient is φ = 320306400.

The previous prime is 497444587. The next prime is 497444639. The reversal of 497444631 is 136444794.

It is not a de Polignac number, because 497444631 - 210 = 497443607 is a prime.

It is a super-2 number, since 2×4974446312 = 494902321821452322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497444639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45370 + ... + 55256.

It is an arithmetic number, because the mean of its divisors is an integer number (42874368).

Almost surely, 2497444631 is an apocalyptic number.

497444631 is a deficient number, since it is larger than the sum of its proper divisors (188545257).

497444631 is a wasteful number, since it uses less digits than its factorization.

497444631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462.

The product of its digits is 290304, while the sum is 42.

The square root of 497444631 is about 22303.4667933037. The cubic root of 497444631 is about 792.3460841448.

The spelling of 497444631 in words is "four hundred ninety-seven million, four hundred forty-four thousand, six hundred thirty-one".

Divisors: 1 3 31 93 541 1623 9887 16771 29661 50313 306497 919491 5348867 16046601 165814877 497444631