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497121079 = 71353591747
BaseRepresentation
bin11101101000010…
…111011100110111
31021122102100220211
4131220113130313
52004230333304
6121155010251
715214313410
oct3550273467
91248370824
10497121079
11235680474
1211a599987
137bcb78b0
144a046807
152d99a204
hex1da17737

497121079 has 32 divisors (see below), whose sum is σ = 634314240. Its totient is φ = 379147392.

The previous prime is 497121061. The next prime is 497121083. The reversal of 497121079 is 970121794.

It is not a de Polignac number, because 497121079 - 211 = 497119031 is a prime.

It is a super-2 number, since 2×4971210792 = 494258734372248482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497121019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283684 + ... + 285430.

It is an arithmetic number, because the mean of its divisors is an integer number (19822320).

Almost surely, 2497121079 is an apocalyptic number.

497121079 is a deficient number, since it is larger than the sum of its proper divisors (137193161).

497121079 is a wasteful number, since it uses less digits than its factorization.

497121079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 497121079 is about 22296.2122119431. The cubic root of 497121079 is about 792.1742588154.

The spelling of 497121079 in words is "four hundred ninety-seven million, one hundred twenty-one thousand, seventy-nine".

Divisors: 1 7 13 53 59 91 371 413 689 767 1747 3127 4823 5369 12229 21889 22711 40651 92591 103073 158977 284557 648137 721511 1203683 1339949 5462869 8425781 9379643 38240083 71017297 497121079