Search a number
-
+
316593140 = 22515829657
BaseRepresentation
bin10010110111101…
…101001111110100
3211001201121010212
4102313231033310
51122021440030
651225404552
710562666033
oct2267551764
9731647125
10316593140
11152788126
128a039758
135078a626
143009271a
151cbda595
hex12ded3f4

316593140 has 12 divisors (see below), whose sum is σ = 664845636. Its totient is φ = 126637248.

The previous prime is 316593139. The next prime is 316593149. The reversal of 316593140 is 41395613.

It can be written as a sum of positive squares in 2 ways, for example, as 212634724 + 103958416 = 14582^2 + 10196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316593097 and 316593106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316593149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7914809 + ... + 7914848.

It is an arithmetic number, because the mean of its divisors is an integer number (55403803).

Almost surely, 2316593140 is an apocalyptic number.

It is an amenable number.

316593140 is an abundant number, since it is smaller than the sum of its proper divisors (348252496).

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

316593140 is a wasteful number, since it uses less digits than its factorization.

316593140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829666 (or 15829664 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 316593140 is about 17793.0643791338. The cubic root of 316593140 is about 681.5543595272.

The spelling of 316593140 in words is "three hundred sixteen million, five hundred ninety-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 15829657 31659314 63318628 79148285 158296570 316593140