| Base | Representation |
|---|---|
| bin | 101000011111100… |
| … | …1101110110000000 |
| 3 | 10111200201121022010 |
| 4 | 1100333031312000 |
| 5 | 10240314432211 |
| 6 | 342454412520 |
| 7 | 45446114340 |
| oct | 12077156600 |
| 9 | 3450647263 |
| 10 | 1358749056 |
| 11 | 637a84305 |
| 12 | 31b061140 |
| 13 | 188667732 |
| 14 | cc654d20 |
| 15 | 7e4474a6 |
| hex | 50fcdd80 |
1358749056 has 128 divisors (see below), whose sum is σ = 4137120000. Its totient is φ = 387053568.
The previous prime is 1358749043. The next prime is 1358749057. The reversal of 1358749056 is 6509478531.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×13587490562 = 3692397994361782272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 1358748996 and 1358749014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1358749057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340806 + ... + 1341818.
It is an arithmetic number, because the mean of its divisors is an integer number (32321250).
Almost surely, 21358749056 is an apocalyptic number.
1358749056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1358749056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068560000).
1358749056 is an abundant number, since it is smaller than the sum of its proper divisors (2778370944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1358749056 is a wasteful number, since it uses less digits than its factorization.
1358749056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1536 (or 1524 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 48.
The square root of 1358749056 is about 36861.2134363480. The cubic root of 1358749056 is about 1107.5918509563.
The spelling of 1358749056 in words is "one billion, three hundred fifty-eight million, seven hundred forty-nine thousand, fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.142 sec. • engine limits •