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316303540 = 22573122351
BaseRepresentation
bin10010110110100…
…110100010110100
3211001011212212221
4102312212202310
51121433203130
651215252124
710560351520
oct2266464264
9731155787
10316303540
111525aa593
1289b1a044
13506b8877
1430018d80
151cb7e87a
hex12da68b4

316303540 has 72 divisors (see below), whose sum is σ = 784740096. Its totient is φ = 104904000.

The previous prime is 316303531. The next prime is 316303541. The reversal of 316303540 is 45303613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316303541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133365 + ... + 135715.

It is an arithmetic number, because the mean of its divisors is an integer number (10899168).

Almost surely, 2316303540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316303540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392370048).

316303540 is an abundant number, since it is smaller than the sum of its proper divisors (468436556).

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

316303540 is a wasteful number, since it uses less digits than its factorization.

316303540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 316303540 is about 17784.9245148806. The cubic root of 316303540 is about 681.3464814114.

The spelling of 316303540 in words is "three hundred sixteen million, three hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 961 1085 1922 2170 2351 3844 4340 4702 4805 6727 9404 9610 11755 13454 16457 19220 23510 26908 32914 33635 47020 65828 67270 72881 82285 134540 145762 164570 291524 329140 364405 510167 728810 1020334 1457620 2040668 2259311 2550835 4518622 5101670 9037244 10203340 11296555 15815177 22593110 31630354 45186220 63260708 79075885 158151770 316303540