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455940497 = 8321792521
BaseRepresentation
bin11011001011010…
…001100110010001
31011202221011210002
4123023101212101
51413210043442
6113124215345
714204300405
oct3313214621
91152834702
10455940497
11214403931
1210883a555
13735c989c
14447a7105
152a063732
hex1b2d1991

455940497 has 8 divisors (see below), whose sum is σ = 461828640. Its totient is φ = 450061920.

The previous prime is 455940479. The next prime is 455940547. The reversal of 455940497 is 794049554.

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 455940497 - 214 = 455924113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455940097) 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, 179597 + ... + 182117.

It is an arithmetic number, because the mean of its divisors is an integer number (57728580).

Almost surely, 2455940497 is an apocalyptic number.

It is an amenable number.

455940497 is a deficient number, since it is larger than the sum of its proper divisors (5888143).

455940497 is a wasteful number, since it uses less digits than its factorization.

455940497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 455940497 is about 21352.7632169703. The cubic root of 455940497 is about 769.6667456524. Note that the first 3 decimals are identical.

The spelling of 455940497 in words is "four hundred fifty-five million, nine hundred forty thousand, four hundred ninety-seven".

Divisors: 1 83 2179 2521 180857 209243 5493259 455940497