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313003240 = 23511711371
BaseRepresentation
bin10010101010000…
…000110011101000
3210210222012201121
4102222000303220
51120112100430
651020425024
710520324614
oct2252006350
9723865647
10313003240
11150755a70
12889a8174
134cb01624
142d7da344
151c72ba7a
hex12a80ce8

313003240 has 32 divisors (see below), whose sum is σ = 768281760. Its totient is φ = 113819200.

The previous prime is 313003237. The next prime is 313003247. The reversal of 313003240 is 42300313.

It is not an unprimeable number, because it can be changed into a prime (313003247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355246 + ... + 356125.

It is an arithmetic number, because the mean of its divisors is an integer number (24008805).

Almost surely, 2313003240 is an apocalyptic number.

It is an amenable number.

313003240 is an abundant number, since it is smaller than the sum of its proper divisors (455278520).

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

313003240 is a wasteful number, since it uses less digits than its factorization.

313003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711393 (or 711389 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 313003240 is about 17691.8975805310. The cubic root of 313003240 is about 678.9684763942.

Adding to 313003240 its reverse (42300313), we get a palindrome (355303553).

The spelling of 313003240 in words is "three hundred thirteen million, three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 711371 1422742 2845484 3556855 5690968 7113710 7825081 14227420 15650162 28454840 31300324 39125405 62600648 78250810 156501620 313003240