Base | Representation |
---|---|
bin | 101000110101101… |
… | …0110101001010100 |
3 | 10112111111102220000 |
4 | 1101223112221110 |
5 | 10301300210234 |
6 | 343550411300 |
7 | 45646344264 |
oct | 12153265124 |
9 | 3474442800 |
10 | 1370319444 |
11 | 64356730a |
12 | 322b00b30 |
13 | 18ab89010 |
14 | cddc77a4 |
15 | 80480899 |
hex | 51ad6a54 |
1370319444 has 120 divisors (see below), whose sum is σ = 4061127840. Its totient is φ = 399422016.
The previous prime is 1370319421. The next prime is 1370319449. The reversal of 1370319444 is 4449130731.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1370319399 and 1370319408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1370319449) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71467 + ... + 88589.
It is an arithmetic number, because the mean of its divisors is an integer number (33842732).
Almost surely, 21370319444 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1370319444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2030563920).
1370319444 is an abundant number, since it is smaller than the sum of its proper divisors (2690808396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1370319444 is a wasteful number, since it uses less digits than its factorization.
1370319444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17171 (or 17160 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 1370319444 is about 37017.8260301709. The cubic root of 1370319444 is about 1110.7268577505.
The spelling of 1370319444 in words is "one billion, three hundred seventy million, three hundred nineteen thousand, four hundred forty-four".
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