Search a number
-
+
43404024020 = 2257310028743
BaseRepresentation
bin101000011011000101…
…001101100011010100
311011000220022212121012
4220123011031203110
51202342412232040
631534534511352
73064410055040
oct503305154324
9134026285535
1043404024020
1117453492735
1284b3b05558
134129386b66
14215a705020
1511e0786865
hexa1b14d8d4

43404024020 has 24 divisors (see below), whose sum is σ = 104169657984. Its totient is φ = 14881379616.

The previous prime is 43404023987. The next prime is 43404024029. The reversal of 43404024020 is 2042040434.

It is a super-2 number, since 2×434040240202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43404024029) 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, 155014232 + ... + 155014511.

It is an arithmetic number, because the mean of its divisors is an integer number (4340402416).

Almost surely, 243404024020 is an apocalyptic number.

It is an amenable number.

43404024020 is an abundant number, since it is smaller than the sum of its proper divisors (60765633964).

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

43404024020 is a wasteful number, since it uses less digits than its factorization.

43404024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310028759 (or 310028757 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 43404024020 its reverse (2042040434), we get a palindrome (45446064454).

The spelling of 43404024020 in words is "forty-three billion, four hundred four million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 310028743 620057486 1240114972 1550143715 2170201201 3100287430 4340402402 6200574860 8680804804 10851006005 21702012010 43404024020