Base | Representation |
---|---|
bin | 101000111010010… |
… | …0101100111001111 |
3 | 10112200001102022222 |
4 | 1101310211213033 |
5 | 10302410140142 |
6 | 344114325555 |
7 | 46006045400 |
oct | 12164454717 |
9 | 3480042288 |
10 | 1372740047 |
11 | 64496aa08 |
12 | 3238898bb |
13 | 18b525a23 |
14 | d04579a7 |
15 | 807acbd2 |
hex | 51d259cf |
1372740047 has 24 divisors (see below), whose sum is σ = 1656571392. Its totient is φ = 1133017200.
The previous prime is 1372740013. The next prime is 1372740049. The reversal of 1372740047 is 7400472731.
It is a happy number.
It is not a de Polignac number, because 1372740047 - 210 = 1372739023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1372739989 and 1372740016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1372740049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318368 + ... + 322650.
It is an arithmetic number, because the mean of its divisors is an integer number (69023808).
Almost surely, 21372740047 is an apocalyptic number.
1372740047 is a deficient number, since it is larger than the sum of its proper divisors (283831345).
1372740047 is a wasteful number, since it uses less digits than its factorization.
1372740047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4539 (or 4532 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 35.
The square root of 1372740047 is about 37050.5067036876. The cubic root of 1372740047 is about 1111.3804881179.
The spelling of 1372740047 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •