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315325040 = 2455637001
BaseRepresentation
bin10010110010110…
…111101001110000
3210222100011122012
4102302313221300
51121210400130
651142302052
710546134662
oct2262675160
9728304565
10315325040
11151aa1408
1289727928
1350435384
142dc42532
151ca39995
hex12cb7a70

315325040 has 40 divisors (see below), whose sum is σ = 734537808. Its totient is φ = 125888000.

The previous prime is 315325039. The next prime is 315325057. The reversal of 315325040 is 40523513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 315324997 and 315325015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41540 + ... + 48540.

Almost surely, 2315325040 is an apocalyptic number.

It is an amenable number.

315325040 is an abundant number, since it is smaller than the sum of its proper divisors (419212768).

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

315325040 is a wasteful number, since it uses less digits than its factorization.

315325040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577 (or 7571 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 315325040 is about 17757.3939529425. The cubic root of 315325040 is about 680.6431631128.

Adding to 315325040 its reverse (40523513), we get a palindrome (355848553).

The spelling of 315325040 in words is "three hundred fifteen million, three hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 563 1126 2252 2815 4504 5630 7001 9008 11260 14002 22520 28004 35005 45040 56008 70010 112016 140020 280040 560080 3941563 7883126 15766252 19707815 31532504 39415630 63065008 78831260 157662520 315325040