Base | Representation |
---|---|
bin | 10001110110110… |
… | …10100010101100 |
3 | 101102212021021200 |
4 | 20323122202230 |
5 | 301321333230 |
6 | 22510325500 |
7 | 3466135053 |
oct | 1073324254 |
9 | 342767250 |
10 | 149792940 |
11 | 77610720 |
12 | 421b9890 |
13 | 2505889b |
14 | 15c7339a |
15 | d23d160 |
hex | 8eda8ac |
149792940 has 72 divisors (see below), whose sum is σ = 495685008. Its totient is φ = 36312960.
The previous prime is 149792939. The next prime is 149792969. The reversal of 149792940 is 49297941.
It is a happy number.
149792940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35847 + ... + 39806.
It is an arithmetic number, because the mean of its divisors is an integer number (6884514).
Almost surely, 2149792940 is an apocalyptic number.
149792940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149792940 is an abundant number, since it is smaller than the sum of its proper divisors (345892068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149792940 is a wasteful number, since it uses less digits than its factorization.
149792940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75679 (or 75674 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 149792940 is about 12238.9926056028. The cubic root of 149792940 is about 531.0846896957.
The spelling of 149792940 in words is "one hundred forty-nine million, seven hundred ninety-two thousand, nine hundred forty".
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