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1317828430 = 251794611597
BaseRepresentation
bin100111010001100…
…0111011101001110
310101211201121202101
41032203013131032
510144331002210
6334433345314
744441233252
oct11643073516
93354647671
101317828430
11616975006
1230940823a
1318003ab49
14c7042262
157aa62a3a
hex4e8c774e

1317828430 has 32 divisors (see below), whose sum is σ = 2392014240. Its totient is φ = 522721920.

The previous prime is 1317828419. The next prime is 1317828443. The reversal of 1317828430 is 348287131.

It is a self number, because there is not a number n which added to its sum of digits gives 1317828430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824392 + ... + 825988.

It is an arithmetic number, because the mean of its divisors is an integer number (74750445).

Almost surely, 21317828430 is an apocalyptic number.

1317828430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317828430 is a deficient number, since it is larger than the sum of its proper divisors (1074185810).

1317828430 is a wasteful number, since it uses less digits than its factorization.

1317828430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1317828430 is about 36301.9066992355. The cubic root of 1317828430 is about 1096.3594327666.

The spelling of 1317828430 in words is "one billion, three hundred seventeen million, eight hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 179 358 461 895 922 1597 1790 2305 3194 4610 7985 15970 82519 165038 285863 412595 571726 736217 825190 1429315 1472434 2858630 3681085 7362170 131782843 263565686 658914215 1317828430