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3142427 = 10330509
BaseRepresentation
bin1011111111001100011011
312220122121012
423333030123
51301024202
6151204135
735465411
oct13771433
95818535
103142427
111856a52
12107664b
13860432
145bb2b1
15421152
hex2ff31b

3142427 has 4 divisors (see below), whose sum is σ = 3173040. Its totient is φ = 3111816.

The previous prime is 3142393. The next prime is 3142441. The reversal of 3142427 is 7242413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7242413 = 15147963.

It is a cyclic number.

It is not a de Polignac number, because 3142427 - 216 = 3076891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142457) 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, 15152 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (793260).

Almost surely, 23142427 is an apocalyptic number.

3142427 is a deficient number, since it is larger than the sum of its proper divisors (30613).

3142427 is a wasteful number, since it uses less digits than its factorization.

3142427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30612.

The product of its digits is 1344, while the sum is 23.

The square root of 3142427 is about 1772.6892000574. The cubic root of 3142427 is about 146.4721531870.

The spelling of 3142427 in words is "three million, one hundred forty-two thousand, four hundred twenty-seven".

Divisors: 1 103 30509 3142427