Base | Representation |
---|---|
bin | 10001110010110… |
… | …10111000001001 |
3 | 101101212200222110 |
4 | 20321122320021 |
5 | 301203120100 |
6 | 22451212533 |
7 | 3461526402 |
oct | 1071327011 |
9 | 341780873 |
10 | 149270025 |
11 | 77293863 |
12 | 41ba7149 |
13 | 24c04878 |
14 | 15b789a9 |
15 | d188250 |
hex | 8e5ae09 |
149270025 has 24 divisors (see below), whose sum is σ = 253467904. Its totient is φ = 77457600.
The previous prime is 149270003. The next prime is 149270039. The reversal of 149270025 is 520072941.
It is not a de Polignac number, because 149270025 - 26 = 149269961 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 149269974 and 149270001.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24121 + ... + 29670.
Almost surely, 2149270025 is an apocalyptic number.
149270025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
149270025 is a deficient number, since it is larger than the sum of its proper divisors (104197879).
149270025 is a wasteful number, since it uses less digits than its factorization.
149270025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53841 (or 53836 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 149270025 is about 12217.6112640729. The cubic root of 149270025 is about 530.4659779914.
It can be divided in two parts, 1492 and 70025, that added together give a palindrome (71517).
The spelling of 149270025 in words is "one hundred forty-nine million, two hundred seventy thousand, twenty-five".
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