Base | Representation |
---|---|
bin | 10001101010110… |
… | …01111100011100 |
3 | 101022220020100210 |
4 | 20311121330130 |
5 | 300420431003 |
6 | 22412452420 |
7 | 3446554236 |
oct | 1065317434 |
9 | 338806323 |
10 | 148217628 |
11 | 76735109 |
12 | 4177a110 |
13 | 24926850 |
14 | 15983256 |
15 | d02b503 |
hex | 8d59f1c |
148217628 has 48 divisors (see below), whose sum is σ = 394359840. Its totient is φ = 42921984.
The previous prime is 148217623. The next prime is 148217633. The reversal of 148217628 is 826712841.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (148217623) and next prime (148217633).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148217621) 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, 25293 + ... + 30596.
It is an arithmetic number, because the mean of its divisors is an integer number (8215830).
Almost surely, 2148217628 is an apocalyptic number.
It is an amenable number.
148217628 is an abundant number, since it is smaller than the sum of its proper divisors (246142212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148217628 is a wasteful number, since it uses less digits than its factorization.
148217628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55926 (or 55924 counting only the distinct ones).
The product of its digits is 43008, while the sum is 39.
The square root of 148217628 is about 12174.4662305992. The cubic root of 148217628 is about 529.2163903537.
It can be divided in two parts, 1482 and 17628, that added together give a triangular number (19110 = T195).
The spelling of 148217628 in words is "one hundred forty-eight million, two hundred seventeen thousand, six hundred twenty-eight".
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