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2303013540 = 2235291323571
BaseRepresentation
bin1000100101000101…
…0011001010100100
312221111112012122210
42021101103022210
514204032413130
61020305323420
7111033202122
oct21121231244
95844465583
102303013540
11a81a9a183
12543336570
132a918ba09
1417bc14912
15d72b95b0
hex894532a4

2303013540 has 48 divisors (see below), whose sum is σ = 6670802880. Its totient is φ = 592959360.

The previous prime is 2303013521. The next prime is 2303013547. The reversal of 2303013540 is 453103032.

It is not an unprimeable number, because it can be changed into a prime (2303013547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660046 + ... + 663525.

It is an arithmetic number, because the mean of its divisors is an integer number (138975060).

Almost surely, 22303013540 is an apocalyptic number.

2303013540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303013540 is an abundant number, since it is smaller than the sum of its proper divisors (4367789340).

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

2303013540 is a wasteful number, since it uses less digits than its factorization.

2303013540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323612 (or 1323610 counting only the distinct ones).

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

The square root of 2303013540 is about 47989.7232748846. The cubic root of 2303013540 is about 1320.5823761710.

Adding to 2303013540 its reverse (453103032), we get a palindrome (2756116572).

The spelling of 2303013540 in words is "two billion, three hundred three million, thirteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 1323571 2647142 3970713 5294284 6617855 7941426 13235710 15882852 19853565 26471420 38383559 39707130 76767118 79414260 115150677 153534236 191917795 230301354 383835590 460602708 575753385 767671180 1151506770 2303013540