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1011042 = 234792
BaseRepresentation
bin11110110110101100010
31220100220000
43312311202
5224323132
633400430
711410434
oct3666542
91810800
101011042
1163067a
12409116
13295266
141c4654
1514e87c
hexf6d62

1011042 has 30 divisors (see below), whose sum is σ = 2294523. Its totient is φ = 332748.

The previous prime is 1011037. The next prime is 1011067. The reversal of 1011042 is 2401101.

Adding to 1011042 its reverse (2401101), we get a palindrome (3412143).

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 505521 + 505521 = 711^2 + 711^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=711.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12759 + ... + 12837.

21011042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011042

1011042 is an abundant number, since it is smaller than the sum of its proper divisors (1283481).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011042 is an frugal number, since it uses more digits than its factorization.

1011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1011042 is about 1005.5058428473. The cubic root of 1011042 is about 100.3667201858.

The spelling of 1011042 in words is "one million, eleven thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 237 474 711 1422 2133 4266 6241 6399 12482 12798 18723 37446 56169 112338 168507 337014 505521 1011042