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8355142 = 27389643
BaseRepresentation
bin11111110111110101000110
3120201111002201
4133313311012
54114331032
6455025114
7131006005
oct37676506
916644081
108355142
114797384
12296b19a
131966c93
141176c3c
15b008e7
hex7f7d46

8355142 has 16 divisors (see below), whose sum is σ = 12867120. Its totient is φ = 4067712.

The previous prime is 8355133. The next prime is 8355173. The reversal of 8355142 is 2415538.

It is a self number, because there is not a number n which added to its sum of digits gives 8355142.

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, 12673 + ... + 13315.

It is an arithmetic number, because the mean of its divisors is an integer number (804195).

Almost surely, 28355142 is an apocalyptic number.

8355142 is a deficient number, since it is larger than the sum of its proper divisors (4511978).

8355142 is a wasteful number, since it uses less digits than its factorization.

8355142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 4800, while the sum is 28.

The square root of 8355142 is about 2890.5262496646. The cubic root of 8355142 is about 202.9167720814.

It can be divided in two parts, 83 and 55142, that added together give a square (55225 = 2352).

The spelling of 8355142 in words is "eight million, three hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 73 89 146 178 643 1286 6497 12994 46939 57227 93878 114454 4177571 8355142