Base | Representation |
---|---|
bin | 10001111000000… |
… | …01001100010010 |
3 | 101110011022110000 |
4 | 20330001030102 |
5 | 301341420000 |
6 | 22513550430 |
7 | 3500364441 |
oct | 1074011422 |
9 | 343138400 |
10 | 149951250 |
11 | 77709659 |
12 | 42275416 |
13 | 250b2967 |
14 | 15cb4d58 |
15 | d270000 |
hex | 8f01312 |
149951250 has 100 divisors (see below), whose sum is σ = 420151446. Its totient is φ = 39960000.
The previous prime is 149951231. The next prime is 149951251. The reversal of 149951250 is 52159941.
149951250 is a `hidden beast` number, since 1 + 4 + 99 + 512 + 50 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 793881 + 149157369 = 891^2 + 12213^2 .
It is a super-3 number, since 3×1499512503 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (149951251) by changing a digit.
It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 100510 + ... + 101990.
Almost surely, 2149951250 is an apocalyptic number.
149951250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 149951250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210075723).
149951250 is an abundant number, since it is smaller than the sum of its proper divisors (270200196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149951250 is an equidigital number, since it uses as much as digits as its factorization.
149951250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1515 (or 1491 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 36.
The square root of 149951250 is about 12245.4583417690. The cubic root of 149951250 is about 531.2717176819.
The spelling of 149951250 in words is "one hundred forty-nine million, nine hundred fifty-one thousand, two hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •