Base | Representation |
---|---|
bin | 10001101001101… |
… | …10100111110101 |
3 | 101022121212220022 |
4 | 20310312213311 |
5 | 300401313244 |
6 | 22405414525 |
7 | 3445412363 |
oct | 1064664765 |
9 | 338555808 |
10 | 148072949 |
11 | 76646442 |
12 | 4170a445 |
13 | 248a5a3b |
14 | 15946633 |
15 | ceed6ee |
hex | 8d369f5 |
148072949 has 16 divisors (see below), whose sum is σ = 154094400. Its totient is φ = 142217856.
The previous prime is 148072921. The next prime is 148072961. The reversal of 148072949 is 949270841.
It is a cyclic number.
It is not a de Polignac number, because 148072949 - 212 = 148068853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148072979) 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, 855827 + ... + 855999.
It is an arithmetic number, because the mean of its divisors is an integer number (9630900).
Almost surely, 2148072949 is an apocalyptic number.
It is an amenable number.
148072949 is a deficient number, since it is larger than the sum of its proper divisors (6021451).
148072949 is a wasteful number, since it uses less digits than its factorization.
148072949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 484.
The product of its (nonzero) digits is 145152, while the sum is 44.
The square root of 148072949 is about 12168.5228766683. The cubic root of 148072949 is about 529.0441404319.
The spelling of 148072949 in words is "one hundred forty-eight million, seventy-two thousand, nine hundred forty-nine".
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