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2305430072 = 231131845099
BaseRepresentation
bin1000100101101010…
…0001001000111000
312221200001222111222
42021122201020320
514210142230242
61020433211212
7111062555321
oct21132411070
95850058458
102305430072
11a8339a810
12544100b08
132a982690a
1417c283448
15d75e55d2
hex896a1238

2305430072 has 32 divisors (see below), whose sum is σ = 4867776000. Its totient is φ = 1014117600.

The previous prime is 2305430063. The next prime is 2305430087. The reversal of 2305430072 is 2700345032.

It is a congruent number.

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, 419822 + ... + 425277.

It is an arithmetic number, because the mean of its divisors is an integer number (152118000).

Almost surely, 22305430072 is an apocalyptic number.

2305430072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2305430072 is an abundant number, since it is smaller than the sum of its proper divisors (2562345928).

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

2305430072 is a wasteful number, since it uses less digits than its factorization.

2305430072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845147 (or 845143 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 2305430072 is about 48014.8942725067. The cubic root of 2305430072 is about 1321.0441065645.

The spelling of 2305430072 in words is "two billion, three hundred five million, four hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 845099 1690198 3380396 6760792 9296089 18592178 26198069 37184356 52396138 74368712 104792276 209584552 288178759 576357518 1152715036 2305430072