Base | Representation |
---|---|
bin | 10001101010011… |
… | …10010010110000 |
3 | 101022210210220020 |
4 | 20311032102300 |
5 | 300412414104 |
6 | 22411443440 |
7 | 3446265141 |
oct | 1065162260 |
9 | 338723806 |
10 | 148169904 |
11 | 76702273 |
12 | 41756580 |
13 | 2490abcc |
14 | 1596dac8 |
15 | d01c2d9 |
hex | 8d4e4b0 |
148169904 has 80 divisors (see below), whose sum is σ = 413902080. Its totient is φ = 45515520.
The previous prime is 148169891. The next prime is 148169947. The reversal of 148169904 is 409961841.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31549 + ... + 35939.
It is an arithmetic number, because the mean of its divisors is an integer number (5173776).
Almost surely, 2148169904 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148169904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206951040).
148169904 is an abundant number, since it is smaller than the sum of its proper divisors (265732176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148169904 is a wasteful number, since it uses less digits than its factorization.
148169904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4458 (or 4452 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 148169904 is about 12172.5060690065. The cubic root of 148169904 is about 529.1595841682.
The spelling of 148169904 in words is "one hundred forty-eight million, one hundred sixty-nine thousand, nine hundred four".
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