Base | Representation |
---|---|
bin | 1010001101010111… |
… | …0000000001101110 |
3 | 21001222112010120000 |
4 | 2203111300001232 |
5 | 21103014403300 |
6 | 1131532005130 |
7 | 124623625146 |
oct | 24325600156 |
9 | 7058463500 |
10 | 2740387950 |
11 | 1186972033 |
12 | 6459007a6 |
13 | 348987a41 |
14 | 1bdd47926 |
15 | 1108b1c00 |
hex | a357006e |
2740387950 has 120 divisors (see below), whose sum is σ = 7634305272. Its totient is φ = 728844480.
The previous prime is 2740387939. The next prime is 2740387957. The reversal of 2740387950 is 597830472.
It is a super-2 number, since 2×27403879502 = 15019452233010405000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 2740387896 and 2740387905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2740387957) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2214732 + ... + 2215968.
Almost surely, 22740387950 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2740387950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817152636).
2740387950 is an abundant number, since it is smaller than the sum of its proper divisors (4893917322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2740387950 is a wasteful number, since it uses less digits than its factorization.
2740387950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1808 (or 1794 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The square root of 2740387950 is about 52348.7148839396. The cubic root of 2740387950 is about 1399.3854360440.
The spelling of 2740387950 in words is "two billion, seven hundred forty million, three hundred eighty-seven thousand, nine hundred fifty".
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