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189895246 = 2190749789
BaseRepresentation
bin10110101000110…
…01001001001110
3111020022200022021
423110121021032
5342103121441
630502040354
74464040312
oct1324311116
9436280267
10189895246
1198211122
12537190ba
1330459b68
141b311b42
1511a103d1
hexb51924e

189895246 has 8 divisors (see below), whose sum is σ = 284997960. Its totient is φ = 94895928.

The previous prime is 189895241. The next prime is 189895247. The reversal of 189895246 is 642598981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189895193 and 189895202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189895241) 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 3 ways as a sum of consecutive naturals, for example, 21081 + ... + 28708.

It is an arithmetic number, because the mean of its divisors is an integer number (35624745).

Almost surely, 2189895246 is an apocalyptic number.

189895246 is a deficient number, since it is larger than the sum of its proper divisors (95102714).

189895246 is a wasteful number, since it uses less digits than its factorization.

189895246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51698.

The product of its digits is 1244160, while the sum is 52.

The square root of 189895246 is about 13780.2484012444. The cubic root of 189895246 is about 574.7840358464.

The spelling of 189895246 in words is "one hundred eighty-nine million, eight hundred ninety-five thousand, two hundred forty-six".

Divisors: 1 2 1907 3814 49789 99578 94947623 189895246