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315050400 = 253252721947
BaseRepresentation
bin10010110001110…
…100100110100000
3210221211012220100
4102301310212200
51121123103100
651132342400
710543612200
oct2261644640
9727735810
10315050400
11151924035
1289614a00
135036a372
142dbb0400
151c9d3400
hex12c749a0

315050400 has 648 divisors, whose sum is σ = 1389286080. Its totient is φ = 66769920.

The previous prime is 315050399. The next prime is 315050401. The reversal of 315050400 is 4050513.

It is an interprime number because it is at equal distance from previous prime (315050399) and next prime (315050401).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (315050401) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 6703177 + ... + 6703223.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2315050400 is an apocalyptic number.

315050400 is a gapful number since it is divisible by the number (30) 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 315050400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694643040).

315050400 is an abundant number, since it is smaller than the sum of its proper divisors (1074235680).

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

315050400 is a wasteful number, since it uses less digits than its factorization.

315050400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 315050400 is about 17749.6591516570. The cubic root of 315050400 is about 680.4454981514.

It can be divided in two parts, 3150 and 50400, that multiplied together give a square (158760000 = 126002).

The spelling of 315050400 in words is "three hundred fifteen million, fifty thousand, four hundred".