Base | Representation |
---|---|
bin | 10001101111001… |
… | …00100100010100 |
3 | 101100222002020102 |
4 | 20313210210110 |
5 | 301042113203 |
6 | 22432553232 |
7 | 3454440521 |
oct | 1067444424 |
9 | 340862212 |
10 | 148785428 |
11 | 76a92770 |
12 | 419b2818 |
13 | 24a9511c |
14 | 15a90148 |
15 | d0de888 |
hex | 8de4914 |
148785428 has 96 divisors (see below), whose sum is σ = 328406400. Its totient is φ = 58222080.
The previous prime is 148785421. The next prime is 148785443. The reversal of 148785428 is 824587841.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148785421) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5130518 + ... + 5130546.
It is an arithmetic number, because the mean of its divisors is an integer number (3420900).
Almost surely, 2148785428 is an apocalyptic number.
It is an amenable number.
148785428 is an abundant number, since it is smaller than the sum of its proper divisors (179620972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148785428 is a wasteful number, since it uses less digits than its factorization.
148785428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118 (or 78 counting only the distinct ones).
The product of its digits is 573440, while the sum is 47.
The square root of 148785428 is about 12197.7632375776. The cubic root of 148785428 is about 529.8913127076.
The spelling of 148785428 in words is "one hundred forty-eight million, seven hundred eighty-five thousand, four hundred twenty-eight".
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