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190504092 = 22315875341
BaseRepresentation
bin10110101101011…
…01110010011100
3111021110121111010
423112231302130
5342232112332
630523055220
74502154342
oct1326556234
9437417433
10190504092
11985975a9
1253971510
133061101c
141b42d992
1511ad09cc
hexb5adc9c

190504092 has 12 divisors (see below), whose sum is σ = 444509576. Its totient is φ = 63501360.

The previous prime is 190504063. The next prime is 190504109. The reversal of 190504092 is 290405091.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7937659 + ... + 7937682.

Almost surely, 2190504092 is an apocalyptic number.

190504092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190504092 is an abundant number, since it is smaller than the sum of its proper divisors (254005484).

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

190504092 is a wasteful number, since it uses less digits than its factorization.

190504092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15875348 (or 15875346 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 190504092 is about 13802.3219785658. The cubic root of 190504092 is about 575.3976752473.

Subtracting 190504092 from its reverse (290405091), we obtain a palindrome (99900999).

The spelling of 190504092 in words is "one hundred ninety million, five hundred four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 15875341 31750682 47626023 63501364 95252046 190504092