Base | Representation |
---|---|
bin | 10001101010110… |
… | …10101111111101 |
3 | 101022220101212220 |
4 | 20311122233331 |
5 | 300421032200 |
6 | 22412515553 |
7 | 3446566656 |
oct | 1065325775 |
9 | 338811786 |
10 | 148220925 |
11 | 76737636 |
12 | 4177bbb9 |
13 | 249281b8 |
14 | 1598452d |
15 | d02c4a0 |
hex | 8d5abfd |
148220925 has 24 divisors (see below), whose sum is σ = 247320480. Its totient is φ = 78321600.
The previous prime is 148220923. The next prime is 148220981. The reversal of 148220925 is 529022841.
It is not a de Polignac number, because 148220925 - 21 = 148220923 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148220923) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891 + ... + 17240.
It is an arithmetic number, because the mean of its divisors is an integer number (10305020).
Almost surely, 2148220925 is an apocalyptic number.
148220925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
148220925 is a deficient number, since it is larger than the sum of its proper divisors (99099555).
148220925 is a wasteful number, since it uses less digits than its factorization.
148220925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18253 (or 18248 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 148220925 is about 12174.6016361933. The cubic root of 148220925 is about 529.2203143438.
The spelling of 148220925 in words is "one hundred forty-eight million, two hundred twenty thousand, nine hundred twenty-five".
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