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3142013 = 7448859
BaseRepresentation
bin1011111111000101111101
312220122000212
423333011331
51301021023
6151202205
735464250
oct13770575
95818025
103142013
111856706
121076365
138601a4
145bb097
15420e78
hex2ff17d

3142013 has 4 divisors (see below), whose sum is σ = 3590880. Its totient is φ = 2693148.

The previous prime is 3141959. The next prime is 3142019. The reversal of 3142013 is 3102413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142019) 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, 224423 + ... + 224436.

It is an arithmetic number, because the mean of its divisors is an integer number (897720).

Almost surely, 23142013 is an apocalyptic number.

It is an amenable number.

3142013 is a deficient number, since it is larger than the sum of its proper divisors (448867).

3142013 is an equidigital number, since it uses as much as digits as its factorization.

3142013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448866.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3142013 is about 1772.5724244724. The cubic root of 3142013 is about 146.4657205651.

Adding to 3142013 its reverse (3102413), we get a palindrome (6244426).

The spelling of 3142013 in words is "three million, one hundred forty-two thousand, thirteen".

Divisors: 1 7 448859 3142013