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190533838 = 21156315383
BaseRepresentation
bin10110101101101…
…01000011001110
3111021112010021211
423112311003032
5342234040323
630523445034
74502340145
oct1326650316
9437463254
10190533838
1198607990
125398677a
1330621721
141b43a75c
1511ad970d
hexb5b50ce

190533838 has 16 divisors (see below), whose sum is σ = 312356736. Its totient is φ = 86446840.

The previous prime is 190533823. The next prime is 190533901. The reversal of 190533838 is 838335091.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 190533838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4695 + ... + 20077.

It is an arithmetic number, because the mean of its divisors is an integer number (19522296).

Almost surely, 2190533838 is an apocalyptic number.

190533838 is a deficient number, since it is larger than the sum of its proper divisors (121822898).

190533838 is a wasteful number, since it uses less digits than its factorization.

190533838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15959.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 190533838 is about 13803.3995088167. The cubic root of 190533838 is about 575.4276219155.

The spelling of 190533838 in words is "one hundred ninety million, five hundred thirty-three thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 563 1126 6193 12386 15383 30766 169213 338426 8660629 17321258 95266919 190533838