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474149980 = 22523707499
BaseRepresentation
bin11100010000101…
…111010001011100
31020001012022111101
4130100233101130
51432340244410
6115014402444
714515131313
oct3420572134
91201168441
10474149980
11223710997
12112960424
1377304025
1446d8727a
152b95dd3a
hex1c42f45c

474149980 has 12 divisors (see below), whose sum is σ = 995715000. Its totient is φ = 189659984.

The previous prime is 474149969. The next prime is 474150007. The reversal of 474149980 is 89941474.

It is a self number, because there is not a number n which added to its sum of digits gives 474149980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11853730 + ... + 11853769.

It is an arithmetic number, because the mean of its divisors is an integer number (82976250).

Almost surely, 2474149980 is an apocalyptic number.

It is an amenable number.

474149980 is an abundant number, since it is smaller than the sum of its proper divisors (521565020).

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

474149980 is a wasteful number, since it uses less digits than its factorization.

474149980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23707508 (or 23707506 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 474149980 is about 21774.9851894324. The cubic root of 474149980 is about 779.7796769789.

The spelling of 474149980 in words is "four hundred seventy-four million, one hundred forty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23707499 47414998 94829996 118537495 237074990 474149980