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130683456 = 26362801
BaseRepresentation
bin1111100101000…
…01001001000000
3100002220102000000
413302201021000
5231423332311
620545000000
73144535221
oct762411100
9302812000
10130683456
1167849462
1237923000
13210c78b7
14134db248
15b716056
hex7ca1240

130683456 has 98 divisors (see below), whose sum is σ = 388948422. Its totient is φ = 43545600.

The previous prime is 130683439. The next prime is 130683461. The reversal of 130683456 is 654386031.

130683456 is a `hidden beast` number, since 1 + 306 + 8 + 345 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 18662400 = 10584^2 + 4320^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130683456.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 45256 + ... + 48056.

Almost surely, 2130683456 is an apocalyptic number.

130683456 is a gapful number since it is divisible by the number (16) 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 130683456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194474211).

130683456 is an abundant number, since it is smaller than the sum of its proper divisors (258264966).

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

130683456 is an frugal number, since it uses more digits than its factorization.

130683456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 130683456 is about 11431.6864897529. The cubic root of 130683456 is about 507.4659069367.

The spelling of 130683456 in words is "one hundred thirty million, six hundred eighty-three thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2592 2801 2916 3888 5184 5602 5832 7776 8403 11204 11664 15552 16806 22408 23328 25209 33612 44816 46656 50418 67224 75627 89632 100836 134448 151254 179264 201672 226881 268896 302508 403344 453762 537792 605016 680643 806688 907524 1210032 1361286 1613376 1815048 2041929 2420064 2722572 3630096 4083858 4840128 5445144 7260192 8167716 10890288 14520384 16335432 21780576 32670864 43561152 65341728 130683456