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1066142 = 272112343
BaseRepresentation
bin100000100010010011110
32000011110202
410010102132
5233104032
634503502
712030200
oct4042236
92004422
101066142
11669010
12434b92
132b436c
141da770
15160d62
hex10449e

1066142 has 48 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 388080.

The previous prime is 1066141. The next prime is 1066157. The reversal of 1066142 is 2416601.

It is a happy number.

It is a super-2 number, since 2×10661422 = 2273317528328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24773 + ... + 24815.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

21066142 is an apocalyptic number.

1066142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1066142 is a wasteful number, since it uses less digits than its factorization.

1066142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1066142 is about 1032.5415245887. The cubic root of 1066142 is about 102.1578358627.

The spelling of 1066142 in words is "one million, sixty-six thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 23 43 46 49 77 86 98 154 161 253 301 322 473 506 539 602 946 989 1078 1127 1771 1978 2107 2254 3311 3542 4214 6622 6923 10879 12397 13846 21758 23177 24794 46354 48461 76153 96922 152306 533071 1066142