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315482880 = 2835292833
BaseRepresentation
bin10010110011011…
…110001100000000
3210222122012011010
4102303132030000
51121230423010
651145520520
710550363106
oct2263361400
9728565133
10315482880
11152099a59
12897a3140
135048c17b
142dc83c76
151ca6b620
hex12cde300

315482880 has 144 divisors (see below), whose sum is σ = 1042685280. Its totient is φ = 81199104.

The previous prime is 315482863. The next prime is 315482899. The reversal of 315482880 is 88284513.

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, 109944 + ... + 112776.

It is an arithmetic number, because the mean of its divisors is an integer number (7240870).

Almost surely, 2315482880 is an apocalyptic number.

315482880 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 315482880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521342640).

315482880 is an abundant number, since it is smaller than the sum of its proper divisors (727202400).

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

315482880 is a wasteful number, since it uses less digits than its factorization.

315482880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 315482880 is about 17761.8377427562. The cubic root of 315482880 is about 680.7567123954.

The spelling of 315482880 in words is "three hundred fifteen million, four hundred eighty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 480 580 640 696 768 870 928 960 1160 1280 1392 1740 1856 1920 2320 2784 2833 3480 3712 3840 4640 5568 5666 6960 7424 8499 9280 11136 11332 13920 14165 16998 18560 22272 22664 27840 28330 33996 37120 42495 45328 55680 56660 67992 82157 84990 90656 111360 113320 135984 164314 169980 181312 226640 246471 271968 328628 339960 362624 410785 453280 492942 543936 657256 679920 725248 821570 906560 985884 1087872 1232355 1314512 1359840 1643140 1813120 1971768 2175744 2464710 2629024 2719680 3286280 3626240 3943536 4929420 5258048 5439360 6572560 7887072 9858840 10516096 10878720 13145120 15774144 19717680 21032192 26290240 31548288 39435360 52580480 63096576 78870720 105160960 157741440 315482880