Search a number
-
+
1314314420 = 22565715721
BaseRepresentation
bin100111001010110…
…1101100010110100
310101121010002102212
41032111231202310
510142431030140
6334230152552
744366326316
oct11625554264
93347102385
101314314420
11614994971
123081b2758
1317c3aa553
14c67a97b6
157a5bb765
hex4e56d8b4

1314314420 has 12 divisors (see below), whose sum is σ = 2760060324. Its totient is φ = 525725760.

The previous prime is 1314314399. The next prime is 1314314431. The reversal of 1314314420 is 244134131.

It can be written as a sum of positive squares in 2 ways, for example, as 755370256 + 558944164 = 27484^2 + 23642^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32857841 + ... + 32857880.

It is an arithmetic number, because the mean of its divisors is an integer number (230005027).

Almost surely, 21314314420 is an apocalyptic number.

1314314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314314420 is an abundant number, since it is smaller than the sum of its proper divisors (1445745904).

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

1314314420 is a wasteful number, since it uses less digits than its factorization.

1314314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65715730 (or 65715728 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1314314420 is about 36253.4745920994. The cubic root of 1314314420 is about 1095.3840788284.

Adding to 1314314420 its reverse (244134131), we get a palindrome (1558448551).

The spelling of 1314314420 in words is "one billion, three hundred fourteen million, three hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 65715721 131431442 262862884 328578605 657157210 1314314420