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472663590 = 23572250779
BaseRepresentation
bin11100001011000…
…100011000100110
31012221101210112220
4130023010120212
51432000213330
6114522453210
714466400650
oct3413043046
91187353486
10472663590
11222896173
12112364206
1376c035c9
1446abb6d0
152b768710
hex1c2c4626

472663590 has 32 divisors (see below), whose sum is σ = 1296449280. Its totient is φ = 108037344.

The previous prime is 472663579. The next prime is 472663643. The reversal of 472663590 is 95366274.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125180 + ... + 1125599.

It is an arithmetic number, because the mean of its divisors is an integer number (40514040).

Almost surely, 2472663590 is an apocalyptic number.

472663590 is an abundant number, since it is smaller than the sum of its proper divisors (823785690).

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

472663590 is a wasteful number, since it uses less digits than its factorization.

472663590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250796.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 472663590 is about 21740.8277211333. The cubic root of 472663590 is about 778.9639927483.

The spelling of 472663590 in words is "four hundred seventy-two million, six hundred sixty-three thousand, five hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2250779 4501558 6752337 11253895 13504674 15755453 22507790 31510906 33761685 47266359 67523370 78777265 94532718 157554530 236331795 472663590