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474081820 = 22553447247
BaseRepresentation
bin11100010000011…
…110101000011100
31020001001211222221
4130100132220130
51432331104240
6115013115124
714514425512
oct3420365034
91201054887
10474081820
11223674763
12112928aa4
13772abcb4
1446d6a4b2
152b948a4a
hex1c41ea1c

474081820 has 24 divisors (see below), whose sum is σ = 1014358464. Its totient is φ = 186054336.

The previous prime is 474081799. The next prime is 474081823. The reversal of 474081820 is 28180474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474081823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222564 + ... + 224683.

It is an arithmetic number, because the mean of its divisors is an integer number (42264936).

Almost surely, 2474081820 is an apocalyptic number.

It is an amenable number.

474081820 is an abundant number, since it is smaller than the sum of its proper divisors (540276644).

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

474081820 is a wasteful number, since it uses less digits than its factorization.

474081820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447309 (or 447307 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 474081820 is about 21773.4200345283. The cubic root of 474081820 is about 779.7423102300.

The spelling of 474081820 in words is "four hundred seventy-four million, eighty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 447247 894494 1788988 2236235 4472470 8944940 23704091 47408182 94816364 118520455 237040910 474081820