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1442037790 = 25144203779
BaseRepresentation
bin101010111110011…
…1100000000011110
310201111110002222001
41111330330000132
510423130202130
6355031512514
750510055544
oct12574740036
93644402861
101442037790
1167aaa1376
12342b2873a
1319c9a99cb
14d9735d94
15868ea6ca
hex55f3c01e

1442037790 has 8 divisors (see below), whose sum is σ = 2595668040. Its totient is φ = 576815112.

The previous prime is 1442037787. The next prime is 1442037799. The reversal of 1442037790 is 977302441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442037799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72101880 + ... + 72101899.

It is an arithmetic number, because the mean of its divisors is an integer number (324458505).

Almost surely, 21442037790 is an apocalyptic number.

1442037790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442037790 is a deficient number, since it is larger than the sum of its proper divisors (1153630250).

1442037790 is a wasteful number, since it uses less digits than its factorization.

1442037790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144203786.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1442037790 is about 37974.1726703822. The cubic root of 1442037790 is about 1129.7756596438.

The spelling of 1442037790 in words is "one billion, four hundred forty-two million, thirty-seven thousand, seven hundred ninety".

Divisors: 1 2 5 10 144203779 288407558 721018895 1442037790