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2303242520 = 235471225129
BaseRepresentation
bin1000100101001000…
…1011000100011000
312221111221211202112
42021102023010120
514204112230040
61020314251452
7111035144525
oct21122130430
95844854675
102303242520
11a82136217
12543426b88
132a923bcc7
1417bc7414c
15d7312365
hex8948b118

2303242520 has 32 divisors (see below), whose sum is σ = 5292561600. Its totient is φ = 901694208.

The previous prime is 2303242519. The next prime is 2303242537. The reversal of 2303242520 is 252423032.

It is a super-2 number, since 2×23032425202 = 10609852211871900800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610685 + ... + 614444.

It is an arithmetic number, because the mean of its divisors is an integer number (165392550).

Almost surely, 22303242520 is an apocalyptic number.

2303242520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303242520 is an abundant number, since it is smaller than the sum of its proper divisors (2989319080).

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

2303242520 is a wasteful number, since it uses less digits than its factorization.

2303242520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225187 (or 1225183 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2303242520 is about 47992.1089346988. The cubic root of 2303242520 is about 1320.6261415717.

Adding to 2303242520 its reverse (252423032), we get a palindrome (2555665552).

The spelling of 2303242520 in words is "two billion, three hundred three million, two hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 1225129 2450258 4900516 6125645 9801032 12251290 24502580 49005160 57581063 115162126 230324252 287905315 460648504 575810630 1151621260 2303242520