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313403990 = 25473531889
BaseRepresentation
bin10010101011100…
…010101001010110
3210211201120110012
4102223202221112
51120212411430
651033200222
710523614154
oct2253425126
9724646405
10313403990
111509aa069
1288b60072
134cc11b63
142d8a23d4
151c7aa695
hex12ae2a56

313403990 has 32 divisors (see below), whose sum is σ = 578067840. Its totient is φ = 122281984.

The previous prime is 313403989. The next prime is 313404001. The reversal of 313403990 is 99304313.

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, 164966 + ... + 166854.

It is an arithmetic number, because the mean of its divisors is an integer number (18064620).

Almost surely, 2313403990 is an apocalyptic number.

313403990 is a deficient number, since it is larger than the sum of its proper divisors (264663850).

313403990 is a wasteful number, since it uses less digits than its factorization.

313403990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 313403990 is about 17703.2197636475. The cubic root of 313403990 is about 679.2581225698.

The spelling of 313403990 in words is "three hundred thirteen million, four hundred three thousand, nine hundred ninety".

Divisors: 1 2 5 10 47 94 235 353 470 706 1765 1889 3530 3778 9445 16591 18890 33182 82955 88783 165910 177566 443915 666817 887830 1333634 3334085 6668170 31340399 62680798 156701995 313403990