Search a number
-
+
1424504020 = 225421169181
BaseRepresentation
bin101010011101000…
…0011010011010100
310200021110022011011
41110322003103110
510404133112040
6353204022004
750205040642
oct12472032324
93607408134
101424504020
11671105a55
12339091904
1319917acb4
14d7290192
15850d53ea
hex54e834d4

1424504020 has 24 divisors (see below), whose sum is σ = 2998581768. Its totient is φ = 568444800.

The previous prime is 1424503961. The next prime is 1424504021. The reversal of 1424504020 is 204054241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78641424 + 1345862596 = 8868^2 + 36686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1424503982 and 1424504000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424504021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76171 + ... + 93010.

It is an arithmetic number, because the mean of its divisors is an integer number (124940907).

Almost surely, 21424504020 is an apocalyptic number.

1424504020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424504020 is an abundant number, since it is smaller than the sum of its proper divisors (1574077748).

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

1424504020 is a wasteful number, since it uses less digits than its factorization.

1424504020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169611 (or 169609 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1424504020 is about 37742.6021890383. The cubic root of 1424504020 is about 1125.1779853375.

Adding to 1424504020 its reverse (204054241), we get a palindrome (1628558261).

The spelling of 1424504020 in words is "one billion, four hundred twenty-four million, five hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 4210 8420 169181 338362 676724 845905 1691810 3383620 71225201 142450402 284900804 356126005 712252010 1424504020