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2315400000 = 2635517227
BaseRepresentation
bin1000101000000010…
…0011001101000000
312222100211111200120
42022000203031000
514220220300000
61021431020240
7111243401214
oct21200431500
95870744616
102315400000
11a88a8a321
1254750a680
132ab907894
1417d71a944
15d84146a0
hex8a023340

2315400000 has 336 divisors, whose sum is σ = 8143353792. Its totient is φ = 578560000.

The previous prime is 2315399971. The next prime is 2315400001. The reversal of 2315400000 is 45132.

It is a super-2 number, since 2×23154000002 = 10722154320000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315400001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10199887 + ... + 10200113.

It is an arithmetic number, because the mean of its divisors is an integer number (24236172).

Almost surely, 22315400000 is an apocalyptic number.

2315400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4071676896).

2315400000 is an abundant number, since it is smaller than the sum of its proper divisors (5827953792).

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

2315400000 is an equidigital number, since it uses as much as digits as its factorization.

2315400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2315400000 is about 48118.6034710069. The cubic root of 2315400000 is about 1322.9456714110.

Adding to 2315400000 its reverse (45132), we get a palindrome (2315445132).

The spelling of 2315400000 in words is "two billion, three hundred fifteen million, four hundred thousand".