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313009490 = 25223140363
BaseRepresentation
bin10010101010000…
…010010101010010
3210210222112022002
4102222002111102
51120112300430
651020514002
710520352053
oct2252022522
9723875262
10313009490
1115075a732
12889ab902
134cb04421
142d7dc72a
151c72d845
hex12a82552

313009490 has 16 divisors (see below), whose sum is σ = 565947648. Its totient is φ = 124641456.

The previous prime is 313009469. The next prime is 313009537. The reversal of 313009490 is 94900313.

It is an unprimeable number.

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, 67952 + ... + 72411.

It is an arithmetic number, because the mean of its divisors is an integer number (35371728).

Almost surely, 2313009490 is an apocalyptic number.

313009490 is a deficient number, since it is larger than the sum of its proper divisors (252938158).

313009490 is a wasteful number, since it uses less digits than its factorization.

313009490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140593.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 313009490 is about 17692.0742141785. The cubic root of 313009490 is about 678.9729955431.

The spelling of 313009490 in words is "three hundred thirteen million, nine thousand, four hundred ninety".

Divisors: 1 2 5 10 223 446 1115 2230 140363 280726 701815 1403630 31300949 62601898 156504745 313009490