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490057517 = 31138111447
BaseRepresentation
bin11101001101011…
…010111100101101
31021011010111112102
4131031122330231
52000423320032
6120343344445
715100264055
oct3515327455
91234114472
10490057517
11231696514
12118152125
137a6b3781
1449128565
152d052362
hex1d35af2d

490057517 has 8 divisors (see below), whose sum is σ = 506276352. Its totient is φ = 473864400.

The previous prime is 490057499. The next prime is 490057523. The reversal of 490057517 is 715750094.

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 490057517 - 28 = 490057261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490051517) 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, 37088 + ... + 48534.

It is an arithmetic number, because the mean of its divisors is an integer number (63284544).

Almost surely, 2490057517 is an apocalyptic number.

It is an amenable number.

490057517 is a deficient number, since it is larger than the sum of its proper divisors (16218835).

490057517 is a wasteful number, since it uses less digits than its factorization.

490057517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12859.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 490057517 is about 22137.2427596573. The cubic root of 490057517 is about 788.4043619605.

The spelling of 490057517 in words is "four hundred ninety million, fifty-seven thousand, five hundred seventeen".

Divisors: 1 31 1381 11447 42811 354857 15808307 490057517