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204092580 = 22356155763
BaseRepresentation
bin11000010101000…
…11010010100100
3112020000222101110
430022203102210
5404221430310
632130225020
75025521046
oct1412432244
9466028343
10204092580
11a522885a
1258425170
133338b053
141d169a96
1512db6d20
hexc2a34a4

204092580 has 48 divisors (see below), whose sum is σ = 580837824. Its totient is φ = 53531520.

The previous prime is 204092579. The next prime is 204092587. The reversal of 204092580 is 85290402.

It is a super-2 number, since 2×2040925802 = 83307562422112800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (204092587) 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 15 ways as a sum of consecutive naturals, for example, 24222 + ... + 31541.

It is an arithmetic number, because the mean of its divisors is an integer number (12100788).

Almost surely, 2204092580 is an apocalyptic number.

204092580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204092580 is an abundant number, since it is smaller than the sum of its proper divisors (376745244).

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

204092580 is a wasteful number, since it uses less digits than its factorization.

204092580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55836 (or 55834 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 204092580 is about 14286.0974377190. The cubic root of 204092580 is about 588.7655699742.

204092580 divided by its sum of digits (30) gives a palindrome (6803086).

The spelling of 204092580 in words is "two hundred four million, ninety-two thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 55763 111526 167289 223052 278815 334578 557630 669156 836445 1115260 1672890 3345780 3401543 6803086 10204629 13606172 17007715 20409258 34015430 40818516 51023145 68030860 102046290 204092580