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3142057 = 5096173
BaseRepresentation
bin1011111111000110101001
312220122002111
423333012221
51301021212
6151202321
735464342
oct13770651
95818074
103142057
111856746
1210763a1
13860209
145bb0c9
15420ea7
hex2ff1a9

3142057 has 4 divisors (see below), whose sum is σ = 3148740. Its totient is φ = 3135376.

The previous prime is 3142043. The next prime is 3142079. The reversal of 3142057 is 7502413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1022121 + 2119936 = 1011^2 + 1456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3142057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142157) 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, 2578 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (787185).

Almost surely, 23142057 is an apocalyptic number.

It is an amenable number.

3142057 is a deficient number, since it is larger than the sum of its proper divisors (6683).

3142057 is an equidigital number, since it uses as much as digits as its factorization.

3142057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3142057 is about 1772.5848357695. The cubic root of 3142057 is about 146.4664042522.

The spelling of 3142057 in words is "three million, one hundred forty-two thousand, fifty-seven".

Divisors: 1 509 6173 3142057