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2298143140 = 225114907157
BaseRepresentation
bin1000100011111010…
…1110000110100100
312221011100202201121
42020332232012210
514201311040030
61020013103324
7110643615526
oct21076560644
95834322647
102298143140
11a7a272a57
12541787b44
132a8174c17
1417b307a16
15d6b5647a
hex88fae1a4

2298143140 has 12 divisors (see below), whose sum is σ = 4826100636. Its totient is φ = 919257248.

The previous prime is 2298143131. The next prime is 2298143153. The reversal of 2298143140 is 413418922.

It can be written as a sum of positive squares in 2 ways, for example, as 1586747556 + 711395584 = 39834^2 + 26672^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2298143096 and 2298143105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57453559 + ... + 57453598.

It is an arithmetic number, because the mean of its divisors is an integer number (402175053).

Almost surely, 22298143140 is an apocalyptic number.

2298143140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2298143140 is an abundant number, since it is smaller than the sum of its proper divisors (2527957496).

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

2298143140 is a wasteful number, since it uses less digits than its factorization.

2298143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114907166 (or 114907164 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2298143140 is about 47938.9522205064. The cubic root of 2298143140 is about 1319.6507991191.

The spelling of 2298143140 in words is "two billion, two hundred ninety-eight million, one hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 114907157 229814314 459628628 574535785 1149071570 2298143140