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474047172 = 223213167977
BaseRepresentation
bin11100010000010…
…110001011000100
31020001000002110200
4130100112023010
51432324002142
6115012250500
714514222504
oct3420261304
91201002420
10474047172
11223650725
12112910a30
13772992b1
1446d5ba04
152b93d64c
hex1c4162c4

474047172 has 18 divisors (see below), whose sum is σ = 1198285998. Its totient is φ = 158015712.

The previous prime is 474047153. The next prime is 474047183. The reversal of 474047172 is 271740474.

It can be written as a sum of positive squares in only one way, i.e., 307791936 + 166255236 = 17544^2 + 12894^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13167977 = 474047172 / (4 + 7 + 4 + 0 + 4 + 7 + 1 + 7 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6583953 + ... + 6584024.

Almost surely, 2474047172 is an apocalyptic number.

It is an amenable number.

474047172 is an abundant number, since it is smaller than the sum of its proper divisors (724238826).

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

474047172 is a wasteful number, since it uses less digits than its factorization.

474047172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167987 (or 13167982 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 474047172 is about 21772.6243709848. The cubic root of 474047172 is about 779.7233140928.

The spelling of 474047172 in words is "four hundred seventy-four million, forty-seven thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 13167977 26335954 39503931 52671908 79007862 118511793 158015724 237023586 474047172