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490691364 = 223128931723
BaseRepresentation
bin11101001111110…
…101101100100100
31021012022201000020
4131033311230210
52001104110424
6120405115140
715105544032
oct3517655444
91235281006
10490691364
11231a89759
121183b8ab0
137a876127
1449251552
152d12a079
hex1d3f5b24

490691364 has 24 divisors (see below), whose sum is σ = 1145870880. Its totient is φ = 163431744.

The previous prime is 490691363. The next prime is 490691371. The reversal of 490691364 is 463196094.

It is not an unprimeable number, because it can be changed into a prime (490691363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 31329.

It is an arithmetic number, because the mean of its divisors is an integer number (47744620).

Almost surely, 2490691364 is an apocalyptic number.

It is an amenable number.

490691364 is an abundant number, since it is smaller than the sum of its proper divisors (655179516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490691364 is a wasteful number, since it uses less digits than its factorization.

490691364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33019 (or 33017 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 490691364 is about 22151.5544375558. The cubic root of 490691364 is about 788.7441264612.

The spelling of 490691364 in words is "four hundred ninety million, six hundred ninety-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 1289 2578 3867 5156 7734 15468 31723 63446 95169 126892 190338 380676 40890947 81781894 122672841 163563788 245345682 490691364