Base | Representation |
---|---|
bin | 10001101111001… |
… | …11110111001000 |
3 | 101100222202202010 |
4 | 20313213313020 |
5 | 301043031140 |
6 | 22433135520 |
7 | 3454525044 |
oct | 1067476710 |
9 | 340882663 |
10 | 148798920 |
11 | 76aa1916 |
12 | 419ba5a0 |
13 | 24a9b2ca |
14 | 15a95024 |
15 | d0e3880 |
hex | 8de7dc8 |
148798920 has 64 divisors (see below), whose sum is σ = 456793920. Its totient is φ = 38755584.
The previous prime is 148798919. The next prime is 148798927. The reversal of 148798920 is 29897841.
It is a super-2 number, since 2×1487989202 = 44282237186332800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 148798920.
It is not an unprimeable number, because it can be changed into a prime (148798927) 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, 9259 + ... + 19578.
It is an arithmetic number, because the mean of its divisors is an integer number (7137405).
Almost surely, 2148798920 is an apocalyptic number.
148798920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
148798920 is an abundant number, since it is smaller than the sum of its proper divisors (307995000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148798920 is a wasteful number, since it uses less digits than its factorization.
148798920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28894 (or 28890 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 48.
The square root of 148798920 is about 12198.3162772573. The cubic root of 148798920 is about 529.9073292347.
The spelling of 148798920 in words is "one hundred forty-eight million, seven hundred ninety-eight thousand, nine hundred twenty".
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