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490628908 = 227111793703
BaseRepresentation
bin11101001111100…
…110011100101100
31021012012112100001
4131033212130230
52001100111113
6120403514044
715105163660
oct3517463454
91235175301
10490628908
11231a46840
12118388924
137a853883
14492368a0
152d1167dd
hex1d3e672c

490628908 has 48 divisors (see below), whose sum is σ = 1133443584. Its totient is φ = 179907840.

The previous prime is 490628903. The next prime is 490628923. The reversal of 490628908 is 809826094.

It is not an unprimeable number, because it can be changed into a prime (490628903) 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 15 ways as a sum of consecutive naturals, for example, 41616 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (23613408).

Almost surely, 2490628908 is an apocalyptic number.

It is an amenable number.

490628908 is an abundant number, since it is smaller than the sum of its proper divisors (642814676).

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

490628908 is a wasteful number, since it uses less digits than its factorization.

490628908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93742 (or 93740 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 490628908 is about 22150.1446496406. The cubic root of 490628908 is about 788.7106608268.

It can be divided in two parts, 490628 and 908, that added together give a triangular number (491536 = T991).

The spelling of 490628908 in words is "four hundred ninety million, six hundred twenty-eight thousand, nine hundred eight".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 68 77 119 154 187 238 308 374 476 748 1309 2618 5236 93703 187406 374812 655921 1030733 1311842 1592951 2061466 2623684 3185902 4122932 6371804 7215131 11150657 14430262 17522461 22301314 28860524 35044922 44602628 70089844 122657227 245314454 490628908