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189344935 = 51312722937
BaseRepresentation
bin10110100100100…
…10110010100111
3111012021201102101
423102102302213
5341433014220
630442152531
74456256023
oct1322226247
9435251371
10189344935
119797571a
12534b2747
13302c6530
141b20b383
151195230a
hexb492ca7

189344935 has 16 divisors (see below), whose sum is σ = 246629376. Its totient is φ = 138716928.

The previous prime is 189344933. The next prime is 189344959. The reversal of 189344935 is 539443981.

It is a happy number.

189344935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 189344935 - 21 = 189344933 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 (189344933) 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, 3214 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (15414336).

Almost surely, 2189344935 is an apocalyptic number.

189344935 is a deficient number, since it is larger than the sum of its proper divisors (57284441).

189344935 is a wasteful number, since it uses less digits than its factorization.

189344935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23082.

The product of its digits is 466560, while the sum is 46.

The square root of 189344935 is about 13760.2665308489. The cubic root of 189344935 is about 574.2282627215.

The spelling of 189344935 in words is "one hundred eighty-nine million, three hundred forty-four thousand, nine hundred thirty-five".

Divisors: 1 5 13 65 127 635 1651 8255 22937 114685 298181 1490905 2912999 14564995 37868987 189344935