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1442051061 = 311173769473
BaseRepresentation
bin101010111110011…
…1111001111110101
310201111110210011120
41111330333033311
510423131113221
6355032054153
750510142333
oct12574771765
93644423146
101442051061
11680000340
12342b34359
1319c9b2a69
14d973ab53
15868ee5c6
hex55f3f3f5

1442051061 has 32 divisors (see below), whose sum is σ = 2280970368. Its totient is φ = 800317440.

The previous prime is 1442051021. The next prime is 1442051063. The reversal of 1442051061 is 1601502441.

It is a happy number.

It is not a de Polignac number, because 1442051061 - 26 = 1442050997 is a prime.

It is a super-2 number, since 2×14420510612 = 4159022525062451442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442051063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13980 + ... + 55493.

It is an arithmetic number, because the mean of its divisors is an integer number (71280324).

Almost surely, 21442051061 is an apocalyptic number.

1442051061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442051061 is a deficient number, since it is larger than the sum of its proper divisors (838919307).

1442051061 is a wasteful number, since it uses less digits than its factorization.

1442051061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69541.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1442051061 is about 37974.3474071642. The cubic root of 1442051061 is about 1129.7791253890.

The spelling of 1442051061 in words is "one billion, four hundred forty-two million, fifty-one thousand, sixty-one".

Divisors: 1 3 11 17 33 37 51 111 187 407 561 629 1221 1887 6919 20757 69473 208419 764203 1181041 2292609 2570501 3543123 7711503 12991451 28275511 38974353 43698517 84826533 131095551 480683687 1442051061