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3120393 = 39710723
BaseRepresentation
bin1011111001110100001001
312212112101010
423321310021
51244323033
6150514133
735344233
oct13716411
95775333
103120393
111841441
121065949
138533b3
145b3253
15419863
hex2f9d09

3120393 has 8 divisors (see below), whose sum is σ = 4203808. Its totient is φ = 2058624.

The previous prime is 3120373. The next prime is 3120407. The reversal of 3120393 is 3930213.

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

It is not a de Polignac number, because 3120393 - 28 = 3120137 is a prime.

It is an Ulam number.

It is a Duffinian number.

3120393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3120323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (525476).

Almost surely, 23120393 is an apocalyptic number.

It is an amenable number.

3120393 is a deficient number, since it is larger than the sum of its proper divisors (1083415).

3120393 is a wasteful number, since it uses less digits than its factorization.

3120393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3120393 is about 1766.4634159812. The cubic root of 3120393 is about 146.1290065109.

The spelling of 3120393 in words is "three million, one hundred twenty thousand, three hundred ninety-three".

Divisors: 1 3 97 291 10723 32169 1040131 3120393