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472128404 = 221114937187
BaseRepresentation
bin11100001001000…
…001101110010100
31012220101121102012
4130021001232110
51431331102104
6114503203352
714462011436
oct3411015624
91186347365
10472128404
11222560070
12112146558
1376a76b27
14469bc656
152b6aed6e
hex1c241b94

472128404 has 24 divisors (see below), whose sum is σ = 902065248. Its totient is φ = 214430240.

The previous prime is 472128379. The next prime is 472128409. The reversal of 472128404 is 404821274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472128409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62099 + ... + 69285.

It is an arithmetic number, because the mean of its divisors is an integer number (37586052).

Almost surely, 2472128404 is an apocalyptic number.

472128404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

472128404 is a deficient number, since it is larger than the sum of its proper divisors (429936844).

472128404 is a wasteful number, since it uses less digits than its factorization.

472128404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695 (or 8693 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 472128404 is about 21728.5159180281. The cubic root of 472128404 is about 778.6698807720.

Adding to 472128404 its reverse (404821274), we get a palindrome (876949678).

The spelling of 472128404 in words is "four hundred seventy-two million, one hundred twenty-eight thousand, four hundred four".

Divisors: 1 2 4 11 22 44 1493 2986 5972 7187 14374 16423 28748 32846 65692 79057 158114 316228 10730191 21460382 42920764 118032101 236064202 472128404