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1414442420 = 225457154753
BaseRepresentation
bin101010001001110…
…1010110110110100
310122120112010020022
41110103222312310
510344044124140
6352204224312
750023363556
oct12423526664
93576463208
101414442420
11666463586
1233583b098
131970673a1
14d5bd14d6
15842990b5
hex544eadb4

1414442420 has 24 divisors (see below), whose sum is σ = 2976847944. Its totient is φ = 564535296.

The previous prime is 1414442417. The next prime is 1414442461. The reversal of 1414442420 is 242444141.

It can be written as a sum of positive squares in 4 ways, for example, as 777182884 + 637259536 = 27878^2 + 25244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1414442420.

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, 68237 + ... + 86516.

It is an arithmetic number, because the mean of its divisors is an integer number (124035331).

Almost surely, 21414442420 is an apocalyptic number.

1414442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1414442420 is an abundant number, since it is smaller than the sum of its proper divisors (1562405524).

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

1414442420 is a wasteful number, since it uses less digits than its factorization.

1414442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155219 (or 155217 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1414442420 is about 37609.0736392164. The cubic root of 1414442420 is about 1122.5225931832.

Adding to 1414442420 its reverse (242444141), we get a palindrome (1656886561).

The spelling of 1414442420 in words is "one billion, four hundred fourteen million, four hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 457 914 1828 2285 4570 9140 154753 309506 619012 773765 1547530 3095060 70722121 141444242 282888484 353610605 707221210 1414442420