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317140958 = 2158570479
BaseRepresentation
bin10010111001110…
…010111111011110
3211002202102121102
4102321302333132
51122142002313
651245233102
710600440131
oct2271627736
9732672542
10317140958
11153021772
128a262792
135091ca94
1430196218
151cc97a58
hex12e72fde

317140958 has 4 divisors (see below), whose sum is σ = 475711440. Its totient is φ = 158570478.

The previous prime is 317140939. The next prime is 317140963. The reversal of 317140958 is 859041713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 859041713 = 3127711023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79285238 + ... + 79285241.

It is an arithmetic number, because the mean of its divisors is an integer number (118927860).

Almost surely, 2317140958 is an apocalyptic number.

317140958 is a deficient number, since it is larger than the sum of its proper divisors (158570482).

317140958 is a wasteful number, since it uses less digits than its factorization.

317140958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158570481.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 317140958 is about 17808.4518698286. The cubic root of 317140958 is about 681.9472429614.

The spelling of 317140958 in words is "three hundred seventeen million, one hundred forty thousand, nine hundred fifty-eight".

Divisors: 1 2 158570479 317140958