Search a number
-
+
2044435540 = 2257130711173
BaseRepresentation
bin111100111011011…
…1001110001010100
312021110222002022211
41321312321301110
513141333414130
6534511203204
7101443262320
oct17166716124
95243862284
102044435540
1195a037754
12490816504
13267734a94
14155744980
15be73da2a
hex79db9c54

2044435540 has 48 divisors (see below), whose sum is σ = 4910838912. Its totient is φ = 700350336.

The previous prime is 2044435537. The next prime is 2044435553. The reversal of 2044435540 is 455344402.

2044435540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177394 + ... + 188566.

It is an arithmetic number, because the mean of its divisors is an integer number (102309144).

Almost surely, 22044435540 is an apocalyptic number.

2044435540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044435540 is an abundant number, since it is smaller than the sum of its proper divisors (2866403372).

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

2044435540 is a wasteful number, since it uses less digits than its factorization.

2044435540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12496 (or 12494 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2044435540 is about 45215.4347540749. The cubic root of 2044435540 is about 1269.1836653546.

Adding to 2044435540 its reverse (455344402), we get a palindrome (2499779942).

The spelling of 2044435540 in words is "two billion, forty-four million, four hundred thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1307 2614 5228 6535 9149 11173 13070 18298 22346 26140 36596 44692 45745 55865 78211 91490 111730 156422 182980 223460 312844 391055 782110 1564220 14603111 29206222 58412444 73015555 102221777 146031110 204443554 292062220 408887108 511108885 1022217770 2044435540