Search a number
-
+
313415040 = 2735239683
BaseRepresentation
bin10010101011100…
…101010110000000
3210211202010121110
4102223211112000
51120213240130
651033323320
710523661321
oct2253452600
9724663543
10313415040
11150a073a4
1288b66540
134cc16bb3
142d8a6448
151c7adab0
hex12ae5580

313415040 has 128 divisors (see below), whose sum is σ = 1004659200. Its totient is φ = 83105792.

The previous prime is 313415033. The next prime is 313415059. The reversal of 313415040 is 40514313.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 313414998 and 313415016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458539 + ... + 459221.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2313415040 is an apocalyptic number.

313415040 is a gapful number since it is divisible by the number (30) 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 313415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502329600).

313415040 is an abundant number, since it is smaller than the sum of its proper divisors (691244160).

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

313415040 is a wasteful number, since it uses less digits than its factorization.

313415040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 313415040 is about 17703.5318510178. The cubic root of 313415040 is about 679.2661055718.

Adding to 313415040 its reverse (40514313), we get a palindrome (353929353).

The spelling of 313415040 in words is "three hundred thirteen million, four hundred fifteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 239 240 320 384 478 480 640 683 717 956 960 1195 1366 1434 1912 1920 2049 2390 2732 2868 3415 3585 3824 4098 4780 5464 5736 6830 7170 7648 8196 9560 10245 10928 11472 13660 14340 15296 16392 19120 20490 21856 22944 27320 28680 30592 32784 38240 40980 43712 45888 54640 57360 65568 76480 81960 87424 91776 109280 114720 131136 152960 163237 163920 218560 229440 262272 326474 327840 437120 458880 489711 652948 655680 816185 979422 1305896 1311360 1632370 1958844 2448555 2611792 3264740 3917688 4897110 5223584 6529480 7835376 9794220 10447168 13058960 15670752 19588440 20894336 26117920 31341504 39176880 52235840 62683008 78353760 104471680 156707520 313415040