Search a number
-
+
1442012124 = 223729591959
BaseRepresentation
bin101010111110011…
…0101101111011100
310201111101210202110
41111330311233130
510423123341444
6355031154020
750506620660
oct12574655734
93644353673
101442012124
1167aa84063
12342b15910
1319c99b117
14d972a8a0
15868e2cb9
hex55f35bdc

1442012124 has 48 divisors (see below), whose sum is σ = 3977971200. Its totient is φ = 397795776.

The previous prime is 1442012113. The next prime is 1442012129. The reversal of 1442012124 is 4212102441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1442012124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442012129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293544 + ... + 298415.

It is an arithmetic number, because the mean of its divisors is an integer number (82874400).

Almost surely, 21442012124 is an apocalyptic number.

1442012124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442012124 is an abundant number, since it is smaller than the sum of its proper divisors (2535959076).

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

1442012124 is a wasteful number, since it uses less digits than its factorization.

1442012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592002 (or 592000 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1442012124 is about 37973.8347286655. The cubic root of 1442012124 is about 1129.7689568619.

Adding to 1442012124 its reverse (4212102441), we get a palindrome (5654114565).

The spelling of 1442012124 in words is "one billion, four hundred forty-two million, twelve thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 2436 591959 1183918 1775877 2367836 3551754 4143713 7103508 8287426 12431139 16574852 17166811 24862278 34333622 49724556 51500433 68667244 103000866 120167677 206001732 240335354 360503031 480670708 721006062 1442012124