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485290140 = 223515751517
BaseRepresentation
bin11100111011001…
…111000010011100
31020211011021220220
4130323033002130
51443213241030
6120053241340
715011620026
oct3473170234
91224137826
10485290140
11229a2a735
12116633250
137970483a
1448647016
152c90ea10
hex1cecf09c

485290140 has 48 divisors (see below), whose sum is σ = 1367493792. Its totient is φ = 128583936.

The previous prime is 485290129. The next prime is 485290189. The reversal of 485290140 is 41092584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16339 + ... + 35178.

It is an arithmetic number, because the mean of its divisors is an integer number (28489454).

Almost surely, 2485290140 is an apocalyptic number.

It is an amenable number.

485290140 is an abundant number, since it is smaller than the sum of its proper divisors (882203652).

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

485290140 is a wasteful number, since it uses less digits than its factorization.

485290140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51686 (or 51684 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 485290140 is about 22029.3018500360. The cubic root of 485290140 is about 785.8394417237.

The spelling of 485290140 in words is "four hundred eighty-five million, two hundred ninety thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 157 314 471 628 785 942 1570 1884 2355 3140 4710 9420 51517 103034 154551 206068 257585 309102 515170 618204 772755 1030340 1545510 3091020 8088169 16176338 24264507 32352676 40440845 48529014 80881690 97058028 121322535 161763380 242645070 485290140