Search a number
-
+
189252946 = 21493132029
BaseRepresentation
bin10110100011111…
…00010101010010
3111012010001020101
423101330111102
5341422043241
630440203014
74455423601
oct1321742522
9435101211
10189252946
11979125a3
125346946a
13302936bc
141b1c5a38
1511934e31
hexb47c552

189252946 has 16 divisors (see below), whose sum is σ = 286839000. Its totient is φ = 93644928.

The previous prime is 189252937. The next prime is 189252961. The reversal of 189252946 is 649252981.

189252946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 126225225 + 63027721 = 11235^2 + 7939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189252896 and 189252905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92260 + ... + 94288.

Almost surely, 2189252946 is an apocalyptic number.

189252946 is a deficient number, since it is larger than the sum of its proper divisors (97586054).

189252946 is a wasteful number, since it uses less digits than its factorization.

189252946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its digits is 311040, while the sum is 46.

The square root of 189252946 is about 13756.9235659722. The cubic root of 189252946 is about 574.1352556737.

The spelling of 189252946 in words is "one hundred eighty-nine million, two hundred fifty-two thousand, nine hundred forty-six".

Divisors: 1 2 149 298 313 626 2029 4058 46637 93274 302321 604642 635077 1270154 94626473 189252946