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190956 = 22315913
BaseRepresentation
bin101110100111101100
3100200221110
4232213230
522102311
64032020
71423503
oct564754
9320843
10190956
11120517
1292610
1368bbc
144d83a
153b8a6
hex2e9ec

190956 has 12 divisors (see below), whose sum is σ = 445592. Its totient is φ = 63648.

The previous prime is 190921. The next prime is 190979. The reversal of 190956 is 659091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 13.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7945 + ... + 7968.

2190956 is an apocalyptic number.

It is an amenable number.

190956 is an abundant number, since it is smaller than the sum of its proper divisors (254636).

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

190956 is a wasteful number, since it uses less digits than its factorization.

190956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920 (or 15918 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 190956 is about 436.9851256050. The cubic root of 190956 is about 57.5852296232.

The spelling of 190956 in words is "one hundred ninety thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 15913 31826 47739 63652 95478 190956