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315250400 = 2552394063
BaseRepresentation
bin10010110010100…
…101011011100000
3210222012101020202
4102302211123200
51121201003100
651140524332
710545404243
oct2262453340
9728171222
10315250400
11151a50323
12896b06a8
135040a3ca
142dc2325a
151ca227d5
hex12ca56e0

315250400 has 36 divisors (see below), whose sum is σ = 769606992. Its totient is φ = 126099840.

The previous prime is 315250399. The next prime is 315250457. The reversal of 315250400 is 4052513.

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 196232 + ... + 197831.

It is an arithmetic number, because the mean of its divisors is an integer number (21377972).

Almost surely, 2315250400 is an apocalyptic number.

It is an amenable number.

315250400 is an abundant number, since it is smaller than the sum of its proper divisors (454356592).

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

315250400 is a wasteful number, since it uses less digits than its factorization.

315250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394083 (or 394070 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 315250400 is about 17755.2921688155. The cubic root of 315250400 is about 680.5894542851.

The spelling of 315250400 in words is "three hundred fifteen million, two hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 394063 788126 1576252 1970315 3152504 3940630 6305008 7881260 9851575 12610016 15762520 19703150 31525040 39406300 63050080 78812600 157625200 315250400