Base | Representation |
---|---|
bin | 10001110011111… |
… | …00010100111110 |
3 | 101102010122221000 |
4 | 20321330110332 |
5 | 301222011123 |
6 | 22454151130 |
7 | 3462640014 |
oct | 1071742476 |
9 | 342118830 |
10 | 149407038 |
11 | 773777a0 |
12 | 420524a6 |
13 | 24c52041 |
14 | 15bb28b4 |
15 | d1b3b43 |
hex | 8e7c53e |
149407038 has 32 divisors (see below), whose sum is σ = 362200320. Its totient is φ = 45274680.
The previous prime is 149407021. The next prime is 149407039. The reversal of 149407038 is 830704941.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 149406993 and 149407011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149407039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125170 + ... + 126357.
It is an arithmetic number, because the mean of its divisors is an integer number (11318760).
Almost surely, 2149407038 is an apocalyptic number.
149407038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
149407038 is an abundant number, since it is smaller than the sum of its proper divisors (212793282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149407038 is a wasteful number, since it uses less digits than its factorization.
149407038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251549 (or 251543 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 149407038 is about 12223.2171706143. The cubic root of 149407038 is about 530.6282309484.
The spelling of 149407038 in words is "one hundred forty-nine million, four hundred seven thousand, thirty-eight".
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