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490827557 = 11311439377
BaseRepresentation
bin11101010000010…
…110111100100101
31021012120121211102
4131100112330211
52001122440212
6120412045445
715106652063
oct3520267445
91235517742
10490827557
11232072010
12118463885
137a8c310c
1449289033
152d1555c2
hex1d416f25

490827557 has 8 divisors (see below), whose sum is σ = 552721152. Its totient is φ = 431812800.

The previous prime is 490827443. The next prime is 490827569. The reversal of 490827557 is 755728094.

It is a happy number.

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 490827557 - 28 = 490827301 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 (490827577) 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, 719348 + ... + 720029.

It is an arithmetic number, because the mean of its divisors is an integer number (69090144).

Almost surely, 2490827557 is an apocalyptic number.

It is an amenable number.

490827557 is a deficient number, since it is larger than the sum of its proper divisors (61893595).

490827557 is a wasteful number, since it uses less digits than its factorization.

490827557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439419.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 490827557 is about 22154.6283426285. The cubic root of 490827557 is about 788.8170925521.

The spelling of 490827557 in words is "four hundred ninety million, eight hundred twenty-seven thousand, five hundred fifty-seven".

Divisors: 1 11 31 341 1439377 15833147 44620687 490827557