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190234623 = 34311531279
BaseRepresentation
bin10110101011010…
…11111111111111
3111020221220211210
423111223333333
5342200001443
630513215503
74466652615
oct1325537777
9436856753
10190234623
11984230a7
1253861593
1330548487
141b39d6b5
1511a7ac33
hexb56bfff

190234623 has 16 divisors (see below), whose sum is σ = 259973120. Its totient is φ = 123669504.

The previous prime is 190234619. The next prime is 190234673. The reversal of 190234623 is 326432091.

It is not a de Polignac number, because 190234623 - 22 = 190234619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190234673) 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, 148098 + ... + 149376.

It is an arithmetic number, because the mean of its divisors is an integer number (16248320).

Almost surely, 2190234623 is an apocalyptic number.

190234623 is a deficient number, since it is larger than the sum of its proper divisors (69738497).

190234623 is a wasteful number, since it uses less digits than its factorization.

190234623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 190234623 is about 13792.5567970554. The cubic root of 190234623 is about 575.1262462556.

The spelling of 190234623 in words is "one hundred ninety million, two hundred thirty-four thousand, six hundred twenty-three".

Divisors: 1 3 43 129 1153 1279 3459 3837 49579 54997 148737 164991 1474687 4424061 63411541 190234623