Base | Representation |
---|---|
bin | 10001110001000… |
… | …10001100010000 |
3 | 101101102220111000 |
4 | 20320202030100 |
5 | 301123202330 |
6 | 22442222000 |
7 | 3456541440 |
oct | 1070421420 |
9 | 341386430 |
10 | 149037840 |
11 | 77145376 |
12 | 41ab4900 |
13 | 24b52c93 |
14 | 15b18120 |
15 | d13e560 |
hex | 8e22310 |
149037840 has 160 divisors (see below), whose sum is σ = 586748160. Its totient is φ = 34062336.
The previous prime is 149037821. The next prime is 149037851. The reversal of 149037840 is 48730941.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 6.
It is a junction number, because it is equal to n+sod(n) for n = 149037795 and 149037804.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10192 + ... + 20048.
It is an arithmetic number, because the mean of its divisors is an integer number (3667176).
Almost surely, 2149037840 is an apocalyptic number.
149037840 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 149037840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293374080).
149037840 is an abundant number, since it is smaller than the sum of its proper divisors (437710320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149037840 is a wasteful number, since it uses less digits than its factorization.
149037840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9886 (or 9874 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 149037840 is about 12208.1055041313. The cubic root of 149037840 is about 530.1907940113.
The spelling of 149037840 in words is "one hundred forty-nine million, thirty-seven thousand, eight hundred forty".
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