Base | Representation |
---|---|
bin | 10001101111101… |
… | …00010001110100 |
3 | 101101002100111211 |
4 | 20313310101310 |
5 | 301101143110 |
6 | 22434211204 |
7 | 3455126242 |
oct | 1067642164 |
9 | 341070454 |
10 | 148849780 |
11 | 77027052 |
12 | 41a23b04 |
13 | 24ab84c1 |
14 | 15aa9792 |
15 | d10398a |
hex | 8df4474 |
148849780 has 12 divisors (see below), whose sum is σ = 312584580. Its totient is φ = 59539904.
The previous prime is 148849769. The next prime is 148849783. The reversal of 148849780 is 87948841.
148849780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 25462116 + 123387664 = 5046^2 + 11108^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148849783) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721225 + ... + 3721264.
It is an arithmetic number, because the mean of its divisors is an integer number (26048715).
Almost surely, 2148849780 is an apocalyptic number.
148849780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148849780 is an abundant number, since it is smaller than the sum of its proper divisors (163734800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148849780 is a wasteful number, since it uses less digits than its factorization.
148849780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7442498 (or 7442496 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 49.
The square root of 148849780 is about 12200.4008130881. The cubic root of 148849780 is about 529.9676970938.
The spelling of 148849780 in words is "one hundred forty-eight million, eight hundred forty-nine thousand, seven hundred eighty".
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