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490574140 = 22573504101
BaseRepresentation
bin11101001111011…
…001000100111100
31021012002202012121
4131033121010330
52001041333030
6120402412324
715104545210
oct3517310474
91235082177
10490574140
11231a09681
121183610a4
137a834974
1449220940
152d10547a
hex1d3d913c

490574140 has 24 divisors (see below), whose sum is σ = 1177378272. Its totient is φ = 168196800.

The previous prime is 490574111. The next prime is 490574233. The reversal of 490574140 is 41475094.

It is a junction number, because it is equal to n+sod(n) for n = 490574096 and 490574105.

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, 1751911 + ... + 1752190.

It is an arithmetic number, because the mean of its divisors is an integer number (49057428).

Almost surely, 2490574140 is an apocalyptic number.

It is an amenable number.

490574140 is an abundant number, since it is smaller than the sum of its proper divisors (686804132).

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

490574140 is a wasteful number, since it uses less digits than its factorization.

490574140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504117 (or 3504115 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 490574140 is about 22148.9083252426. The cubic root of 490574140 is about 788.6813122960.

The spelling of 490574140 in words is "four hundred ninety million, five hundred seventy-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3504101 7008202 14016404 17520505 24528707 35041010 49057414 70082020 98114828 122643535 245287070 490574140