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190759968 = 2533731541
BaseRepresentation
bin10110101111011…
…00010000100000
3111021221121111000
423113230100200
5342313304333
630532352000
74504301340
oct1327542040
9437847430
10190759968
1198751873
1253a75600
13306a0629
141b498d20
1511b31713
hexb5ec420

190759968 has 96 divisors (see below), whose sum is σ = 635886720. Its totient is φ = 54501120.

The previous prime is 190759963. The next prime is 190760021. The reversal of 190759968 is 869957091.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1907599682 = 72778730782722048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (190759963) 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, 9723 + ... + 21818.

It is an arithmetic number, because the mean of its divisors is an integer number (6623820).

Almost surely, 2190759968 is an apocalyptic number.

190759968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190759968 is an abundant number, since it is smaller than the sum of its proper divisors (445126752).

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

190759968 is a wasteful number, since it uses less digits than its factorization.

190759968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31567 (or 31553 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 190759968 is about 13811.5881780482. The cubic root of 190759968 is about 575.6551755553.

The spelling of 190759968 in words is "one hundred ninety million, seven hundred fifty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 31541 63082 94623 126164 189246 220787 252328 283869 378492 441574 504656 567738 662361 756984 851607 883148 1009312 1135476 1324722 1513968 1703214 1766296 1987083 2270952 2649444 3027936 3406428 3532592 3974166 4541904 5298888 5961249 6812856 7065184 7948332 9083808 10597776 11922498 13625712 15896664 21195552 23844996 27251424 31793328 47689992 63586656 95379984 190759968