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472898664 = 233272334027
BaseRepresentation
bin11100001011111…
…101110001101000
31012221211202000100
4130023331301220
51432030224124
6114531505400
714501400210
oct3413756150
91187752010
10472898664
11222a36847
12112458260
1376c865c4
1446b3d240
152b7b31c9
hex1c2fdc68

472898664 has 96 divisors (see below), whose sum is σ = 1470381120. Its totient is φ = 134500608.

The previous prime is 472898659. The next prime is 472898689. The reversal of 472898664 is 466898274.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 472898664.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115419 + ... + 119445.

It is an arithmetic number, because the mean of its divisors is an integer number (15316470).

Almost surely, 2472898664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472898664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735190560).

472898664 is an abundant number, since it is smaller than the sum of its proper divisors (997482456).

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

472898664 is a wasteful number, since it uses less digits than its factorization.

472898664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4272 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 472898664 is about 21746.2333290159. The cubic root of 472898664 is about 779.0931077166.

The spelling of 472898664 in words is "four hundred seventy-two million, eight hundred ninety-eight thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 233 252 466 504 699 932 1398 1631 1864 2097 2796 3262 4027 4194 4893 5592 6524 8054 8388 9786 12081 13048 14679 16108 16776 19572 24162 28189 29358 32216 36243 39144 48324 56378 58716 72486 84567 96648 112756 117432 144972 169134 225512 253701 289944 338268 507402 676536 938291 1014804 1876582 2029608 2814873 3753164 5629746 6568037 7506328 8444619 11259492 13136074 16889238 19704111 22518984 26272148 33778476 39408222 52544296 59112333 67556952 78816444 118224666 157632888 236449332 472898664