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189092900 = 22523894861
BaseRepresentation
bin10110100010101…
…01010000100100
3111011210220200202
423101111100210
5341401433100
630432530032
74454156153
oct1321252044
9434726622
10189092900
1197813327
12533b0918
13302388b9
141b18359a
15119027d5
hexb455424

189092900 has 36 divisors (see below), whose sum is σ = 411471060. Its totient is φ = 75427200.

The previous prime is 189092879. The next prime is 189092909. The reversal of 189092900 is 9290981.

189092900 is digitally balanced in base 3, 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 6 ways, for example, as 195364 + 188897536 = 442^2 + 13744^2 .

It is a super-2 number, since 2×1890929002 = 71512249660820000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189092909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36470 + ... + 41330.

Almost surely, 2189092900 is an apocalyptic number.

189092900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189092900 is an abundant number, since it is smaller than the sum of its proper divisors (222378160).

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

189092900 is a wasteful number, since it uses less digits than its factorization.

189092900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 189092900 is about 13751.1054101116. The cubic root of 189092900 is about 573.9733665766.

The spelling of 189092900 in words is "one hundred eighty-nine million, ninety-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 389 778 1556 1945 3890 4861 7780 9722 9725 19444 19450 24305 38900 48610 97220 121525 243050 486100 1890929 3781858 7563716 9454645 18909290 37818580 47273225 94546450 189092900