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2315310320 = 24528941379
BaseRepresentation
bin1000101000000000…
…1101010011110000
312222100122221200002
42022000031103300
514220204412240
61021425045132
7111242545601
oct21200152360
95870587602
102315310320
11a88a28a04
125474867a8
132ab8a5b0b
1417d6d5da8
15d83e7d15
hex8a00d4f0

2315310320 has 20 divisors (see below), whose sum is σ = 5383096680. Its totient is φ = 926124096.

The previous prime is 2315310313. The next prime is 2315310337. The reversal of 2315310320 is 230135132.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2315310292 and 2315310301.

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 3 ways as a sum of consecutive naturals, for example, 14470610 + ... + 14470769.

It is an arithmetic number, because the mean of its divisors is an integer number (269154834).

Almost surely, 22315310320 is an apocalyptic number.

2315310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315310320 is an abundant number, since it is smaller than the sum of its proper divisors (3067786360).

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

2315310320 is a wasteful number, since it uses less digits than its factorization.

2315310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28941392 (or 28941386 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2315310320 is about 48117.6715978652. The cubic root of 2315310320 is about 1322.9285910937.

Adding to 2315310320 its reverse (230135132), we get a palindrome (2545445452).

The spelling of 2315310320 in words is "two billion, three hundred fifteen million, three hundred ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28941379 57882758 115765516 144706895 231531032 289413790 463062064 578827580 1157655160 2315310320