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131194896 = 24373761173
BaseRepresentation
bin1111101000111…
…10000000010000
3100010212101120020
413310132000100
5232041214041
621003543440
73152065260
oct764360020
9303771506
10131194896
1168068738
1237b2ab80
1321246621
14135d17a0
15b7b7866
hex7d1e010

131194896 has 160 divisors (see below), whose sum is σ = 406664448. Its totient is φ = 35665920.

The previous prime is 131194891. The next prime is 131194897. The reversal of 131194896 is 698491131.

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

It is not an unprimeable number, because it can be changed into a prime (131194891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758266 + ... + 758438.

Almost surely, 2131194896 is an apocalyptic number.

131194896 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 131194896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203332224).

131194896 is an abundant number, since it is smaller than the sum of its proper divisors (275469552).

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

131194896 is a wasteful number, since it uses less digits than its factorization.

131194896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 131194896 is about 11454.0340491898. The cubic root of 131194896 is about 508.1270478109.

The spelling of 131194896 in words is "one hundred thirty-one million, one hundred ninety-four thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 37 42 48 56 61 74 84 111 112 122 148 168 173 183 222 244 259 296 336 346 366 427 444 488 518 519 592 692 732 777 854 888 976 1036 1038 1211 1281 1384 1464 1554 1708 1776 2072 2076 2257 2422 2562 2768 2928 3108 3416 3633 4144 4152 4514 4844 5124 6216 6401 6771 6832 7266 8304 9028 9688 10248 10553 12432 12802 13542 14532 15799 18056 19203 19376 20496 21106 25604 27084 29064 31598 31659 36112 38406 42212 44807 47397 51208 54168 58128 63196 63318 73871 76812 84424 89614 94794 102416 108336 126392 126636 134421 147742 153624 168848 179228 189588 221613 252784 253272 268842 295484 307248 358456 379176 390461 443226 506544 537684 590968 716912 758352 780922 886452 1075368 1171383 1181936 1561844 1772904 2150736 2342766 2733227 3123688 3545808 4685532 5466454 6247376 8199681 9371064 10932908 16399362 18742128 21865816 32798724 43731632 65597448 131194896