Base | Representation |
---|---|
bin | 101000111010010… |
… | …0101101101001110 |
3 | 10112200001102212011 |
4 | 1101310211231032 |
5 | 10302410143210 |
6 | 344114331434 |
7 | 46006046455 |
oct | 12164455516 |
9 | 3480042764 |
10 | 1372740430 |
11 | 644970226 |
12 | 323889b7a |
13 | 18b525c59 |
14 | d0457b9c |
15 | 807acd8a |
hex | 51d25b4e |
1372740430 has 16 divisors (see below), whose sum is σ = 2472285744. Its totient is φ = 548795520.
The previous prime is 1372740409. The next prime is 1372740437. The reversal of 1372740430 is 340472731.
It is a junction number, because it is equal to n+sod(n) for n = 1372740392 and 1372740401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1372740437) 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, 17916 + ... + 55375.
It is an arithmetic number, because the mean of its divisors is an integer number (154517859).
Almost surely, 21372740430 is an apocalyptic number.
1372740430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1372740430 is a deficient number, since it is larger than the sum of its proper divisors (1099545314).
1372740430 is a wasteful number, since it uses less digits than its factorization.
1372740430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75171.
The product of its (nonzero) digits is 14112, while the sum is 31.
The square root of 1372740430 is about 37050.5118723075. The cubic root of 1372740430 is about 1111.3805914778.
The spelling of 1372740430 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, four hundred thirty".
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