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3120423 = 31040141
BaseRepresentation
bin1011111001110100100111
312212112102020
423321310213
51244323143
6150514223
735344305
oct13716447
95775366
103120423
111841469
121065973
13853407
145b3275
15419883
hex2f9d27

3120423 has 4 divisors (see below), whose sum is σ = 4160568. Its totient is φ = 2080280.

The previous prime is 3120413. The next prime is 3120437. The reversal of 3120423 is 3240213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3120423 - 24 = 3120407 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520068 + ... + 520073.

It is an arithmetic number, because the mean of its divisors is an integer number (1040142).

Almost surely, 23120423 is an apocalyptic number.

3120423 is a deficient number, since it is larger than the sum of its proper divisors (1040145).

3120423 is a wasteful number, since it uses less digits than its factorization.

3120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040144.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3120423 is about 1766.4719075038. The cubic root of 3120423 is about 146.1294748126.

Adding to 3120423 its reverse (3240213), we get a palindrome (6360636).

The spelling of 3120423 in words is "three million, one hundred twenty thousand, four hundred twenty-three".

Divisors: 1 3 1040141 3120423