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2302131320 = 235531085911
BaseRepresentation
bin1000100100110111…
…1011110001111000
312221102212101110222
42021031323301320
514203321200240
61020234355212
7111022536056
oct21115736170
95842771428
102302131320
11a81547375
12542b8bb08
132a8c402a8
1417ba651d6
15d7192eb5
hex8937bc78

2302131320 has 32 divisors (see below), whose sum is σ = 5277532320. Its totient is φ = 903477120.

The previous prime is 2302131319. The next prime is 2302131329. The reversal of 2302131320 is 231312032.

It is a super-2 number, since 2×23021313202 = 10599617229049884800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302131329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540836 + ... + 545075.

It is an arithmetic number, because the mean of its divisors is an integer number (164922885).

Almost surely, 22302131320 is an apocalyptic number.

2302131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302131320 is an abundant number, since it is smaller than the sum of its proper divisors (2975401000).

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

2302131320 is a wasteful number, since it uses less digits than its factorization.

2302131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085975 (or 1085971 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2302131320 is about 47980.5306348315. The cubic root of 2302131320 is about 1320.4137285910.

Adding to 2302131320 its reverse (231312032), we get a palindrome (2533443352).

The spelling of 2302131320 in words is "two billion, three hundred two million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 1085911 2171822 4343644 5429555 8687288 10859110 21718220 43436440 57553283 115106566 230213132 287766415 460426264 575532830 1151065660 2302131320