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2303135220 = 223549037829
BaseRepresentation
bin1000100101000111…
…0000110111110100
312221111202101120110
42021101300313310
514204100311340
61020312103020
7111034216641
oct21121606764
95844671513
102303135220
11a82072641
12543394a70
132a9202209
1417bc46dc8
15d72e0680
hex89470df4

2303135220 has 48 divisors (see below), whose sum is σ = 6450917760. Its totient is φ = 613965696.

The previous prime is 2303135213. The next prime is 2303135309. The reversal of 2303135220 is 225313032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290266 + ... + 298094.

It is an arithmetic number, because the mean of its divisors is an integer number (134394120).

Almost surely, 22303135220 is an apocalyptic number.

2303135220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303135220 is an abundant number, since it is smaller than the sum of its proper divisors (4147782540).

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

2303135220 is a wasteful number, since it uses less digits than its factorization.

2303135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744 (or 12742 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2303135220 is about 47990.9910295672. The cubic root of 2303135220 is about 1320.6056334714.

Adding to 2303135220 its reverse (225313032), we get a palindrome (2528448252).

The spelling of 2303135220 in words is "two billion, three hundred three million, one hundred thirty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4903 7829 9806 14709 15658 19612 23487 24515 29418 31316 39145 46974 49030 58836 73545 78290 93948 98060 117435 147090 156580 234870 294180 469740 38385587 76771174 115156761 153542348 191927935 230313522 383855870 460627044 575783805 767711740 1151567610 2303135220