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313834240 = 285245183
BaseRepresentation
bin10010101101001…
…011101100000000
3210212112102122101
4102231023230000
51120320143430
651050320144
710530355426
oct2255135400
9725472571
10313834240
11151173345
1289129054
1350032945
142d975116
151c842dca
hex12b4bb00

313834240 has 36 divisors (see below), whose sum is σ = 751734144. Its totient is φ = 125533184.

The previous prime is 313834237. The next prime is 313834247. The reversal of 313834240 is 42438313.

It is a junction number, because it is equal to n+sod(n) for n = 313834199 and 313834208.

It is not an unprimeable number, because it can be changed into a prime (313834247) 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, 121312 + ... + 123871.

It is an arithmetic number, because the mean of its divisors is an integer number (20881504).

Almost surely, 2313834240 is an apocalyptic number.

It is an amenable number.

313834240 is an abundant number, since it is smaller than the sum of its proper divisors (437899904).

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

313834240 is an equidigital number, since it uses as much as digits as its factorization.

313834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245204 (or 245190 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 313834240 is about 17715.3673402501. The cubic root of 313834240 is about 679.5688154579.

The spelling of 313834240 in words is "three hundred thirteen million, eight hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 245183 490366 980732 1225915 1961464 2451830 3922928 4903660 7845856 9807320 15691712 19614640 31383424 39229280 62766848 78458560 156917120 313834240