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1442079486 = 23280115527
BaseRepresentation
bin101010111110100…
…0110001011111110
310201111112020011100
41111331012023332
510423133020421
6355032433530
750510321241
oct12575061376
93644466140
101442079486
1168001a731
12342b488a6
1319c9c2993
14d9747258
1586907c26
hex55f462fe

1442079486 has 12 divisors (see below), whose sum is σ = 3124505592. Its totient is φ = 480693156.

The previous prime is 1442079479. The next prime is 1442079487. The reversal of 1442079486 is 6849702441.

1442079486 is a `hidden beast` number, since 144 + 20 + 7 + 9 + 486 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442079487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40057746 + ... + 40057781.

It is an arithmetic number, because the mean of its divisors is an integer number (260375466).

Almost surely, 21442079486 is an apocalyptic number.

1442079486 is an abundant number, since it is smaller than the sum of its proper divisors (1682426106).

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

1442079486 is a wasteful number, since it uses less digits than its factorization.

1442079486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80115535 (or 80115532 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1442079486 is about 37974.7216711328. The cubic root of 1442079486 is about 1129.7865485567.

The spelling of 1442079486 in words is "one billion, four hundred forty-two million, seventy-nine thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 80115527 160231054 240346581 480693162 721039743 1442079486