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319950145 = 5376716987
BaseRepresentation
bin10011000100100…
…000110101000001
3211022001011002101
4103010200311001
51123401401040
651425350401
710633350154
oct2304406501
9738034071
10319950145
11154670309
128b198401
1351394618
14306c7c9b
151d15009a
hex13120d41

319950145 has 8 divisors (see below), whose sum is σ = 384064704. Its totient is φ = 255877104.

The previous prime is 319950119. The next prime is 319950151. The reversal of 319950145 is 541059913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 319950145 - 225 = 286395713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10342 + ... + 27328.

It is an arithmetic number, because the mean of its divisors is an integer number (48008088).

Almost surely, 2319950145 is an apocalyptic number.

It is an amenable number.

319950145 is a deficient number, since it is larger than the sum of its proper divisors (64114559).

319950145 is a wasteful number, since it uses less digits than its factorization.

319950145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20759.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 319950145 is about 17887.1502761060. The cubic root of 319950145 is about 683.9548556380.

The spelling of 319950145 in words is "three hundred nineteen million, nine hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 3767 16987 18835 84935 63990029 319950145