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315330132 = 223133754631
BaseRepresentation
bin10010110010111…
…000111001010100
3210222100102121210
4102302320321110
51121211031012
651142341420
710546155555
oct2262707124
9728312553
10315330132
11151aa5217
128972a870
13504377a0
142dc4432c
151ca3b23c
hex12cb8e54

315330132 has 48 divisors (see below), whose sum is σ = 813798272. Its totient is φ = 94400640.

The previous prime is 315330131. The next prime is 315330151. The reversal of 315330132 is 231033513.

It is a junction number, because it is equal to n+sod(n) for n = 315330099 and 315330108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315330131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21544 + ... + 33087.

Almost surely, 2315330132 is an apocalyptic number.

It is an amenable number.

315330132 is an abundant number, since it is smaller than the sum of its proper divisors (498468140).

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

315330132 is a wasteful number, since it uses less digits than its factorization.

315330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54688 (or 54686 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 315330132 is about 17757.5373292582. The cubic root of 315330132 is about 680.6468268627.

Adding to 315330132 its reverse (231033513), we get a palindrome (546363645).

The spelling of 315330132 in words is "three hundred fifteen million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 37 39 52 74 78 111 148 156 222 444 481 962 1443 1924 2886 5772 54631 109262 163893 218524 327786 655572 710203 1420406 2021347 2130609 2840812 4042694 4261218 6064041 8085388 8522436 12128082 24256164 26277511 52555022 78832533 105110044 157665066 315330132