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2320315420 = 2255910119469
BaseRepresentation
bin1000101001001101…
…0011010000011100
312222201002020101011
42022103103100130
514223000043140
61022124225004
7111333232663
oct21223232034
95881066334
102320315420
11a90837355
1254909b164
132ac939007
14180239dda
15d8a85cea
hex8a4d341c

2320315420 has 48 divisors (see below), whose sum is σ = 5004568800. Its totient is φ = 903315200.

The previous prime is 2320315367. The next prime is 2320315423. The reversal of 2320315420 is 245130232.

Adding to 2320315420 its reverse (245130232), we get a palindrome (2565445652).

It is a junction number, because it is equal to n+sod(n) for n = 2320315391 and 2320315400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320315423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109446 + ... + 128914.

It is an arithmetic number, because the mean of its divisors is an integer number (104261850).

Almost surely, 22320315420 is an apocalyptic number.

2320315420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320315420 is an abundant number, since it is smaller than the sum of its proper divisors (2684253380).

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

2320315420 is a wasteful number, since it uses less digits than its factorization.

2320315420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19638 (or 19636 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2320315420 is about 48169.6524795436. The cubic root of 2320315420 is about 1323.8811810934.

The spelling of 2320315420 in words is "two billion, three hundred twenty million, three hundred fifteen thousand, four hundred twenty".