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497808097 = 736819289
BaseRepresentation
bin11101101010111…
…111001011100001
31021200201021022221
4131222333023201
52004414324342
6121221431041
715223204363
oct3552771341
91250637287
10497808097
11235aaa656
1211a86b481
137c198507
144a184d33
152da83a67
hex1dabf2e1

497808097 has 4 divisors (see below), whose sum is σ = 504627460. Its totient is φ = 490988736.

The previous prime is 497808083. The next prime is 497808131. The reversal of 497808097 is 790808794.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 395373456 + 102434641 = 19884^2 + 10121^2 .

It is a cyclic number.

It is not a de Polignac number, because 497808097 - 27 = 497807969 is a prime.

It is a super-2 number, since 2×4978080972 = 495625802877522818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497800097) 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, 3409572 + ... + 3409717.

It is an arithmetic number, because the mean of its divisors is an integer number (126156865).

Almost surely, 2497808097 is an apocalyptic number.

It is an amenable number.

497808097 is a deficient number, since it is larger than the sum of its proper divisors (6819363).

497808097 is an equidigital number, since it uses as much as digits as its factorization.

497808097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819362.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 497808097 is about 22311.6135005965. The cubic root of 497808097 is about 792.5390173415.

The spelling of 497808097 in words is "four hundred ninety-seven million, eight hundred eight thousand, ninety-seven".

Divisors: 1 73 6819289 497808097