Base | Representation |
---|---|
bin | 10001110010010… |
… | …11101011111000 |
3 | 101101202112121211 |
4 | 20321023223320 |
5 | 301144122200 |
6 | 22450012504 |
7 | 3461150110 |
oct | 1071135370 |
9 | 341675554 |
10 | 149207800 |
11 | 77251035 |
12 | 41b77134 |
13 | 24bb2451 |
14 | 15b60040 |
15 | d174aba |
hex | 8e4baf8 |
149207800 has 96 divisors (see below), whose sum is σ = 399215520. Its totient is φ = 50803200.
The previous prime is 149207797. The next prime is 149207801. The reversal of 149207800 is 8702941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149207801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275530 + ... + 276070.
It is an arithmetic number, because the mean of its divisors is an integer number (4158495).
Almost surely, 2149207800 is an apocalyptic number.
149207800 is a gapful number since it is divisible by the number (10) 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 149207800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199607760).
149207800 is an abundant number, since it is smaller than the sum of its proper divisors (250007720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149207800 is a wasteful number, since it uses less digits than its factorization.
149207800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761 (or 752 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 149207800 is about 12215.0644697439. The cubic root of 149207800 is about 530.3922573786.
The spelling of 149207800 in words is "one hundred forty-nine million, two hundred seven thousand, eight hundred".
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