| Base | Representation |
|---|---|
| bin | 10001110100011… |
| … | …11100111011000 |
| 3 | 101102021200022000 |
| 4 | 20322033213120 |
| 5 | 301232023130 |
| 6 | 22500001000 |
| 7 | 3463416234 |
| oct | 1072174730 |
| 9 | 342250260 |
| 10 | 149486040 |
| 11 | 77421090 |
| 12 | 42090160 |
| 13 | 24c7bca2 |
| 14 | 15bd35c4 |
| 15 | d1cc260 |
| hex | 8e8f9d8 |
149486040 has 128 divisors (see below), whose sum is σ = 543628800. Its totient is φ = 36236160.
The previous prime is 149486033. The next prime is 149486047. The reversal of 149486040 is 40684941.
It is a happy number.
149486040 is a `hidden beast` number, since 1 + 4 + 9 + 48 + 604 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (149486033) and next prime (149486047).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 149485986 and 149486004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149486047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5589 + ... + 18171.
It is an arithmetic number, because the mean of its divisors is an integer number (4247100).
Almost surely, 2149486040 is an apocalyptic number.
149486040 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 149486040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271814400).
149486040 is an abundant number, since it is smaller than the sum of its proper divisors (394142760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149486040 is a wasteful number, since it uses less digits than its factorization.
149486040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12614 (or 12604 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 149486040 is about 12226.4483804578. The cubic root of 149486040 is about 530.7217412797.
The spelling of 149486040 in words is "one hundred forty-nine million, four hundred eighty-six thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •