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189352553 = 1343933179
BaseRepresentation
bin10110100100101…
…00101001101001
3111012022002212112
423102110221221
5341433240203
630442252105
74456320155
oct1322245151
9435262775
10189352553
1197980415
12534b7035
13302c9b40
141b210065
15119546d8
hexb494a69

189352553 has 8 divisors (see below), whose sum is σ = 204388800. Its totient is φ = 174383568.

The previous prime is 189352547. The next prime is 189352561. The reversal of 189352553 is 355253981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189352553 - 26 = 189352489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189352553.

It is not an unprimeable number, because it can be changed into a prime (189352253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10883 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (25548600).

Almost surely, 2189352553 is an apocalyptic number.

189352553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189352553 is a deficient number, since it is larger than the sum of its proper divisors (15036247).

189352553 is a wasteful number, since it uses less digits than its factorization.

189352553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631.

The product of its digits is 162000, while the sum is 41.

The square root of 189352553 is about 13760.5433395633. The cubic root of 189352553 is about 574.2359636796.

The spelling of 189352553 in words is "one hundred eighty-nine million, three hundred fifty-two thousand, five hundred fifty-three".

Divisors: 1 13 439 5707 33179 431327 14565581 189352553