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3142277 = 19165383
BaseRepresentation
bin1011111111001010000101
312220122101122
423333022011
51301023102
6151203325
735465105
oct13771205
95818348
103142277
111856926
121076545
13860348
145bb205
154210a2
hex2ff285

3142277 has 4 divisors (see below), whose sum is σ = 3307680. Its totient is φ = 2976876.

The previous prime is 3142273. The next prime is 3142301. The reversal of 3142277 is 7722413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7722413 = 43179591.

It is a cyclic number.

It is not a de Polignac number, because 3142277 - 22 = 3142273 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 (3142273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82673 + ... + 82710.

It is an arithmetic number, because the mean of its divisors is an integer number (826920).

Almost surely, 23142277 is an apocalyptic number.

It is an amenable number.

3142277 is a deficient number, since it is larger than the sum of its proper divisors (165403).

3142277 is a wasteful number, since it uses less digits than its factorization.

3142277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165402.

The product of its digits is 2352, while the sum is 26.

The square root of 3142277 is about 1772.6468909515. The cubic root of 3142277 is about 146.4698225922.

The spelling of 3142277 in words is "three million, one hundred forty-two thousand, two hundred seventy-seven".

Divisors: 1 19 165383 3142277