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497690623 = 1742169539
BaseRepresentation
bin11101101010100…
…010011111111111
31021200111022012001
4131222202133333
52004402044443
6121215123131
715222205033
oct3552423777
91250438161
10497690623
11235a2a371
1211a8134a7
137c156bc1
144a1541c3
152da5dd4d
hex1daa27ff

497690623 has 8 divisors (see below), whose sum is σ = 528225840. Its totient is φ = 467295360.

The previous prime is 497690597. The next prime is 497690651. The reversal of 497690623 is 326096794.

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

It is a cyclic number.

It is not a de Polignac number, because 497690623 - 25 = 497690591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497694623) 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, 27613 + ... + 41926.

It is an arithmetic number, because the mean of its divisors is an integer number (66028230).

Almost surely, 2497690623 is an apocalyptic number.

497690623 is a deficient number, since it is larger than the sum of its proper divisors (30535217).

497690623 is a wasteful number, since it uses less digits than its factorization.

497690623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69977.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 497690623 is about 22308.9807700845. The cubic root of 497690623 is about 792.4766706570.

The spelling of 497690623 in words is "four hundred ninety-seven million, six hundred ninety thousand, six hundred twenty-three".

Divisors: 1 17 421 7157 69539 1182163 29275919 497690623