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497890542 = 23193342929
BaseRepresentation
bin11101101011010…
…011010011101110
31021200212110102110
4131223103103232
52004424444132
6121223304450
715223666632
oct3553232356
91250773373
10497890542
11236056596
1211a8ab126
137c1c6bb6
144a1a6dc2
152da9d1cc
hex1dad34ee

497890542 has 16 divisors (see below), whose sum is σ = 996319440. Its totient is φ = 165873792.

The previous prime is 497890541. The next prime is 497890579. The reversal of 497890542 is 245098794.

It is a junction number, because it is equal to n+sod(n) for n = 497890491 and 497890500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497890541) 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, 9867 + ... + 33062.

It is an arithmetic number, because the mean of its divisors is an integer number (62269965).

Almost surely, 2497890542 is an apocalyptic number.

497890542 is an abundant number, since it is smaller than the sum of its proper divisors (498428898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497890542 is a wasteful number, since it uses less digits than its factorization.

497890542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44867.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 497890542 is about 22313.4610045147. The cubic root of 497890542 is about 792.5827673145.

The spelling of 497890542 in words is "four hundred ninety-seven million, eight hundred ninety thousand, five hundred forty-two".

Divisors: 1 2 3 6 1933 3866 5799 11598 42929 85858 128787 257574 82981757 165963514 248945271 497890542