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497458449461 = 17205931420981
BaseRepresentation
bin1110011110100101101…
…01011000110000110101
31202120000201211120100002
413033102311120300311
531122243330340321
61020310153001045
750640325024121
oct7172265306065
91676021746302
10497458449461
11181a75364a06
12804b19b3185
1337baa73110c
141a111878581
15ce1794b20b
hex73d2d58c35

497458449461 has 8 divisors (see below), whose sum is σ = 526746659544. Its totient is φ = 468173122560.

The previous prime is 497458449443. The next prime is 497458449479. The reversal of 497458449461 is 164944854794.

It is an interprime number because it is at equal distance from previous prime (497458449443) and next prime (497458449479).

It can be written as a sum of positive squares in 4 ways, for example, as 432187908100 + 65270541361 = 657410^2 + 255481^2 .

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 497458449461 - 238 = 222580542517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497458449401) 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, 360410 + ... + 1060571.

It is an arithmetic number, because the mean of its divisors is an integer number (65843332443).

Almost surely, 2497458449461 is an apocalyptic number.

It is an amenable number.

497458449461 is a deficient number, since it is larger than the sum of its proper divisors (29288210083).

497458449461 is a wasteful number, since it uses less digits than its factorization.

497458449461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441591.

The product of its digits is 139345920, while the sum is 65.

The spelling of 497458449461 in words is "four hundred ninety-seven billion, four hundred fifty-eight million, four hundred forty-nine thousand, four hundred sixty-one".

Divisors: 1 17 20593 350081 1420981 24156677 29262261733 497458449461