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189182052 = 223217309121
BaseRepresentation
bin10110100011010…
…11000001100100
3111011222102222200
423101223001210
5341412311202
630434454500
74455010113
oct1321530144
9434872880
10189182052
1197874304
1253434430
133026a357
141b1a7c7a
151191de1c
hexb46b064

189182052 has 36 divisors (see below), whose sum is σ = 506341836. Its totient is φ = 59351040.

The previous prime is 189182033. The next prime is 189182083. The reversal of 189182052 is 250281981.

It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 118722816 = 8394^2 + 10896^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 189181998 and 189182016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153949 + ... + 155172.

It is an arithmetic number, because the mean of its divisors is an integer number (14065051).

Almost surely, 2189182052 is an apocalyptic number.

189182052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189182052 is an abundant number, since it is smaller than the sum of its proper divisors (317159784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189182052 is a wasteful number, since it uses less digits than its factorization.

189182052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309148 (or 309143 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 189182052 is about 13754.3466584204. The cubic root of 189182052 is about 574.0635565199.

The spelling of 189182052 in words is "one hundred eighty-nine million, one hundred eighty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 309121 618242 927363 1236484 1854726 2782089 3709452 5255057 5564178 10510114 11128356 15765171 21020228 31530342 47295513 63060684 94591026 189182052