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481499380 = 22543559883
BaseRepresentation
bin11100101100110…
…001100011110100
31020120000200222101
4130230301203310
51441230440010
6115440111444
714634451165
oct3454614364
91216020871
10481499380
1122788067a
12115305584
13789a829b
1447d3b76c
152c41173a
hex1cb318f4

481499380 has 24 divisors (see below), whose sum is σ = 1034665632. Its totient is φ = 188120352.

The previous prime is 481499371. The next prime is 481499399. The reversal of 481499380 is 83994184.

It is a self number, because there is not a number n which added to its sum of digits gives 481499380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279082 + ... + 280801.

It is an arithmetic number, because the mean of its divisors is an integer number (43111068).

Almost surely, 2481499380 is an apocalyptic number.

It is an amenable number.

481499380 is an abundant number, since it is smaller than the sum of its proper divisors (553166252).

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

481499380 is a wasteful number, since it uses less digits than its factorization.

481499380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559935 (or 559933 counting only the distinct ones).

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

The square root of 481499380 is about 21943.0941300447. The cubic root of 481499380 is about 783.7879411370.

The spelling of 481499380 in words is "four hundred eighty-one million, four hundred ninety-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 559883 1119766 2239532 2799415 5598830 11197660 24074969 48149938 96299876 120374845 240749690 481499380