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245024664 = 233432331019
BaseRepresentation
bin11101001101011…
…00011110011000
3122002001112122120
432212230132120
51000211242124
640151421240
76033450423
oct1646543630
9562045576
10245024664
11116345725
126a084820
133b9bcc11
14247829ba
151679ed79
hexe9ac798

245024664 has 64 divisors (see below), whose sum is σ = 630115200. Its totient is φ = 79355136.

The previous prime is 245024657. The next prime is 245024669. The reversal of 245024664 is 466420542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245024669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239947 + ... + 240965.

It is an arithmetic number, because the mean of its divisors is an integer number (9845550).

Almost surely, 2245024664 is an apocalyptic number.

245024664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245024664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315057600).

245024664 is an abundant number, since it is smaller than the sum of its proper divisors (385090536).

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

245024664 is a wasteful number, since it uses less digits than its factorization.

245024664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 245024664 is about 15653.2636852511. The cubic root of 245024664 is about 625.7534712314.

The spelling of 245024664 in words is "two hundred forty-five million, twenty-four thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 233 258 344 466 516 699 932 1019 1032 1398 1864 2038 2796 3057 4076 5592 6114 8152 10019 12228 20038 24456 30057 40076 43817 60114 80152 87634 120228 131451 175268 237427 240456 262902 350536 474854 525804 712281 949708 1051608 1424562 1899416 2849124 5698248 10209361 20418722 30628083 40837444 61256166 81674888 122512332 245024664