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313177240 = 235113193359
BaseRepresentation
bin10010101010101…
…011010010011000
3210211022001102001
4102222223102120
51120133132430
651024250344
710521651115
oct2252532230
9724261361
10313177240
11150864772
1288a709b4
134cb6289c
142d84390c
151c7633ca
hex12aab498

313177240 has 64 divisors (see below), whose sum is σ = 716558400. Its totient is φ = 123174912.

The previous prime is 313177231. The next prime is 313177261. The reversal of 313177240 is 42771313.

It is a junction number, because it is equal to n+sod(n) for n = 313177199 and 313177208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872181 + ... + 872539.

It is an arithmetic number, because the mean of its divisors is an integer number (11196225).

Almost surely, 2313177240 is an apocalyptic number.

It is an amenable number.

313177240 is an abundant number, since it is smaller than the sum of its proper divisors (403381160).

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

313177240 is a wasteful number, since it uses less digits than its factorization.

313177240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 313177240 is about 17696.8144025980. The cubic root of 313177240 is about 679.0942670304.

The spelling of 313177240 in words is "three hundred thirteen million, one hundred seventy-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 113 193 226 359 386 452 565 718 772 904 965 1130 1436 1544 1795 1930 2260 2872 3590 3860 4520 7180 7720 14360 21809 40567 43618 69287 81134 87236 109045 138574 162268 174472 202835 218090 277148 324536 346435 405670 436180 554296 692870 811340 872360 1385740 1622680 2771480 7829431 15658862 31317724 39147155 62635448 78294310 156588620 313177240