Base | Representation |
---|---|
bin | 1011101110101… |
… | …1100100101000 |
3 | 10102120120220000 |
4 | 2323223210220 |
5 | 100043340100 |
6 | 4514303000 |
7 | 1135121325 |
oct | 273534450 |
9 | 112516800 |
10 | 49199400 |
11 | 25854268 |
12 | 14587a60 |
13 | a267b93 |
14 | 6769b4c |
15 | 44bc900 |
hex | 2eeb928 |
49199400 has 120 divisors (see below), whose sum is σ = 170933070. Its totient is φ = 13115520.
The previous prime is 49199393. The next prime is 49199407. The reversal of 49199400 is 499194.
It is an interprime number because it is at equal distance from previous prime (49199393) and next prime (49199407).
It can be written as a sum of positive squares in 3 ways, for example, as 43639236 + 5560164 = 6606^2 + 2358^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (49199407) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14682 + ... + 17718.
Almost surely, 249199400 is an apocalyptic number.
49199400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
49199400 is the 4050-th octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49199400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85466535).
49199400 is an abundant number, since it is smaller than the sum of its proper divisors (121733670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49199400 is a wasteful number, since it uses less digits than its factorization.
49199400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3065 (or 3047 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 49199400 is about 7014.2283966235. The cubic root of 49199400 is about 366.4262703398.
The spelling of 49199400 in words is "forty-nine million, one hundred ninety-nine thousand, four hundred".
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