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490641427 = 191032391049
BaseRepresentation
bin11101001111101…
…001100000010011
31021012020011111201
4131033221200103
52001101011202
6120404052031
715105245323
oct3517514023
91235204451
10490641427
11231a55191
12118394017
137a859493
144923b283
152d11a387
hex1d3e9813

490641427 has 16 divisors (see below), whose sum is σ = 524160000. Its totient is φ = 457942464.

The previous prime is 490641391. The next prime is 490641443. The reversal of 490641427 is 724146094.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 490641427 - 211 = 490639379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490647427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467199 + ... + 468247.

It is an arithmetic number, because the mean of its divisors is an integer number (32760000).

Almost surely, 2490641427 is an apocalyptic number.

490641427 is a deficient number, since it is larger than the sum of its proper divisors (33518573).

490641427 is a wasteful number, since it uses less digits than its factorization.

490641427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 490641427 is about 22150.4272419292. The cubic root of 490641427 is about 788.7173690773.

The spelling of 490641427 in words is "four hundred ninety million, six hundred forty-one thousand, four hundred twenty-seven".

Divisors: 1 19 103 239 1049 1957 4541 19931 24617 108047 250711 467723 2052893 4763509 25823233 490641427