Search a number
-
+
1042031142 = 23879411
BaseRepresentation
bin111110000111000…
…010001000100110
32200121202200000000
4332013002020212
54113224444032
6251222202130
734552055445
oct7607021046
92617680000
101042031142
11495221469
12250b83346
13137b65399
149c56cd5c
1561734e7c
hex3e1c2226

1042031142 has 36 divisors (see below), whose sum is σ = 2344480476. Its totient is φ = 347339340.

The previous prime is 1042031131. The next prime is 1042031173. The reversal of 1042031142 is 2411302401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26584 + ... + 52827.

Almost surely, 21042031142 is an apocalyptic number.

1042031142 is an abundant number, since it is smaller than the sum of its proper divisors (1302449334).

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

1042031142 is an frugal number, since it uses more digits than its factorization.

1042031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79437 (or 79416 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1042031142 is about 32280.5071521499. The cubic root of 1042031142 is about 1013.8185488142.

Adding to 1042031142 its reverse (2411302401), we get a palindrome (3453333543).

The spelling of 1042031142 in words is "one billion, forty-two million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 6561 13122 79411 158822 238233 476466 714699 1429398 2144097 4288194 6432291 12864582 19296873 38593746 57890619 115781238 173671857 347343714 521015571 1042031142