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315004032 = 2733729449
BaseRepresentation
bin10010110001101…
…001010010000000
3210221201212022000
4102301221102000
51121120112112
651131344000
710543330050
oct2261512200
9727655260
10315004032
111518a2212
12895b2000
1350352225
142db9b560
151c9c47dc
hex12c69480

315004032 has 256 divisors, whose sum is σ = 1101600000. Its totient is φ = 86704128.

The previous prime is 315003971. The next prime is 315004037. The reversal of 315004032 is 230400513.

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

It is a junction number, because it is equal to n+sod(n) for n = 315003996 and 315004014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315004037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701344 + ... + 701792.

It is an arithmetic number, because the mean of its divisors is an integer number (4303125).

Almost surely, 2315004032 is an apocalyptic number.

315004032 is a gapful number since it is divisible by the number (32) 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 315004032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550800000).

315004032 is an abundant number, since it is smaller than the sum of its proper divisors (786595968).

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

315004032 is a wasteful number, since it uses less digits than its factorization.

315004032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 315004032 is about 17748.3529376672. The cubic root of 315004032 is about 680.4121146623.

Adding to 315004032 its reverse (230400513), we get a palindrome (545404545).

The spelling of 315004032 in words is "three hundred fifteen million, four thousand, thirty-two".