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190555368 = 23323595851
BaseRepresentation
bin10110101101110…
…10010011101000
3111021120012211020
423112322103220
5342240232433
630524132440
74502460003
oct1326722350
9437505736
10190555368
1198622083
1253997120
133062b473
141b44453a
1511ae0cb3
hexb5ba4e8

190555368 has 64 divisors (see below), whose sum is σ = 505612800. Its totient is φ = 59716800.

The previous prime is 190555367. The next prime is 190555381. The reversal of 190555368 is 863555091.

It is a super-2 number, since 2×1905553682 = 72622696547230848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190555361) 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, 29643 + ... + 35493.

It is an arithmetic number, because the mean of its divisors is an integer number (7900200).

Almost surely, 2190555368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190555368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252806400).

190555368 is an abundant number, since it is smaller than the sum of its proper divisors (315057432).

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

190555368 is a wasteful number, since it uses less digits than its factorization.

190555368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942 (or 5938 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 190555368 is about 13804.1793671337. The cubic root of 190555368 is about 575.4492952137.

The spelling of 190555368 in words is "one hundred ninety million, five hundred fifty-five thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 59 69 92 118 138 177 184 236 276 354 472 552 708 1357 1416 2714 4071 5428 5851 8142 10856 11702 16284 17553 23404 32568 35106 46808 70212 134573 140424 269146 345209 403719 538292 690418 807438 1035627 1076584 1380836 1614876 2071254 2761672 3229752 4142508 7939807 8285016 15879614 23819421 31759228 47638842 63518456 95277684 190555368