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3142205 = 51157131
BaseRepresentation
bin1011111111001000111101
312220122021222
423333020331
51301022310
6151203125
735464643
oct13771075
95818258
103142205
111856870
1210764a5
138602c1
145bb193
15421055
hex2ff23d

3142205 has 8 divisors (see below), whose sum is σ = 4113504. Its totient is φ = 2285200.

The previous prime is 3142193. The next prime is 3142219. The reversal of 3142205 is 5022413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3142205 - 214 = 3125821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28511 + ... + 28620.

It is an arithmetic number, because the mean of its divisors is an integer number (514188).

Almost surely, 23142205 is an apocalyptic number.

It is an amenable number.

3142205 is a deficient number, since it is larger than the sum of its proper divisors (971299).

3142205 is a wasteful number, since it uses less digits than its factorization.

3142205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57147.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3142205 is about 1772.6265822220. The cubic root of 3142205 is about 146.4687038803.

Adding to 3142205 its reverse (5022413), we get a palindrome (8164618).

The spelling of 3142205 in words is "three million, one hundred forty-two thousand, two hundred five".

Divisors: 1 5 11 55 57131 285655 628441 3142205