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490444440 = 23354087037
BaseRepresentation
bin11101001110111…
…001011010011000
31021011212011021220
4131032321122120
52001023210230
6120355532040
715103465113
oct3516713230
91234764256
10490444440
11231930192
121182ba020
137a7ba915
14491c957a
152d0cbd10
hex1d3b9698

490444440 has 32 divisors (see below), whose sum is σ = 1471333680. Its totient is φ = 130785152.

The previous prime is 490444439. The next prime is 490444469. The reversal of 490444440 is 44444094.

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, 2043399 + ... + 2043638.

Almost surely, 2490444440 is an apocalyptic number.

490444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490444440 is an abundant number, since it is smaller than the sum of its proper divisors (980889240).

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

490444440 is a wasteful number, since it uses less digits than its factorization.

490444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087051 (or 4087047 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 490444440 is about 22145.9802221532. The cubic root of 490444440 is about 788.6118012381.

The spelling of 490444440 in words is "four hundred ninety million, four hundred forty-four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4087037 8174074 12261111 16348148 20435185 24522222 32696296 40870370 49044444 61305555 81740740 98088888 122611110 163481480 245222220 490444440