Search a number
-
+
1075427420 = 225431250497
BaseRepresentation
bin100000000011001…
…1011100001011100
32202221121101002012
41000012123201130
54200302134140
6254414050352
735435660624
oct10006334134
92687541065
101075427420
115020615a1
122601a99b8
13141a591b2
14a2b83884
1564630265
hex4019b85c

1075427420 has 24 divisors (see below), whose sum is σ = 2310920304. Its totient is φ = 420166656.

The previous prime is 1075427413. The next prime is 1075427443. The reversal of 1075427420 is 247245701.

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, 624389 + ... + 626108.

It is an arithmetic number, because the mean of its divisors is an integer number (96288346).

Almost surely, 21075427420 is an apocalyptic number.

1075427420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075427420 is an abundant number, since it is smaller than the sum of its proper divisors (1235492884).

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

1075427420 is a wasteful number, since it uses less digits than its factorization.

1075427420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250549 (or 1250547 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 1075427420 is about 32793.7100676334. The cubic root of 1075427420 is about 1024.5355563906.

The spelling of 1075427420 in words is "one billion, seventy-five million, four hundred twenty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1250497 2500994 5001988 6252485 12504970 25009940 53771371 107542742 215085484 268856855 537713710 1075427420