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1042420142 = 21959464951
BaseRepresentation
bin111110001000100…
…001000110101110
32200122111102121102
4332020201012232
54113324421032
6251234403102
734555265531
oct7610410656
92618442542
101042420142
11495467755
12251130492
13137c7046a
149c630a18
15617b0362
hex3e2211ae

1042420142 has 16 divisors (see below), whose sum is σ = 1673827200. Its totient is φ = 485407800.

The previous prime is 1042420117. The next prime is 1042420153. The reversal of 1042420142 is 2410242401.

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, 230234 + ... + 234717.

It is an arithmetic number, because the mean of its divisors is an integer number (104614200).

Almost surely, 21042420142 is an apocalyptic number.

1042420142 is a deficient number, since it is larger than the sum of its proper divisors (631407058).

1042420142 is a wasteful number, since it uses less digits than its factorization.

1042420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465031.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042420142 is about 32286.5318979911. The cubic root of 1042420142 is about 1013.9446891104.

Adding to 1042420142 its reverse (2410242401), we get a palindrome (3452662543).

The spelling of 1042420142 in words is "one billion, forty-two million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 19 38 59 118 1121 2242 464951 929902 8834069 17668138 27432109 54864218 521210071 1042420142