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3442857 = 311172192
BaseRepresentation
bin1101001000100010101001
320110220201020
431020202221
51340132412
6201443053
741156325
oct15104251
96426636
103442857
111a41740
1211a0489
139370c2
14658985
1548018c
hex3488a9

3442857 has 36 divisors (see below), whose sum is σ = 5614416. Its totient is φ = 1860480.

The previous prime is 3442849. The next prime is 3442867. The reversal of 3442857 is 7582443.

It is not a de Polignac number, because 3442857 - 23 = 3442849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3442807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 181194 + ... + 181212.

It is an arithmetic number, because the mean of its divisors is an integer number (155956).

Almost surely, 23442857 is an apocalyptic number.

It is an amenable number.

3442857 is a deficient number, since it is larger than the sum of its proper divisors (2171559).

3442857 is a wasteful number, since it uses less digits than its factorization.

3442857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 50 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 3442857 is about 1855.4937348318. The cubic root of 3442857 is about 150.9986257788.

Multiplying 3442857 by its sum of digits (33), we get a square (113614281 = 106592).

3442857 divided by its sum of digits (33) gives a square (104329 = 3232).

The spelling of 3442857 in words is "three million, four hundred forty-two thousand, eight hundred fifty-seven".

Divisors: 1 3 11 17 19 33 51 57 187 209 289 323 361 561 627 867 969 1083 3179 3553 3971 5491 6137 9537 10659 11913 16473 18411 60401 67507 104329 181203 202521 312987 1147619 3442857