Base | Representation |
---|---|
bin | 1000111011000… |
… | …01111001011000 |
3 | 12012211202201210 |
4 | 10131201321120 |
5 | 123130144010 |
6 | 11232143120 |
7 | 1566133140 |
oct | 435417130 |
9 | 165752653 |
10 | 74849880 |
11 | 39283906 |
12 | 21097aa0 |
13 | 12679191 |
14 | 9d25920 |
15 | 6887b20 |
hex | 4761e58 |
74849880 has 64 divisors (see below), whose sum is σ = 256631040. Its totient is φ = 17108352.
The previous prime is 74849869. The next prime is 74849891. The reversal of 74849880 is 8894847.
It is an interprime number because it is at equal distance from previous prime (74849869) and next prime (74849891).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43714 + ... + 45393.
It is an arithmetic number, because the mean of its divisors is an integer number (4009860).
Almost surely, 274849880 is an apocalyptic number.
74849880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
74849880 is an abundant number, since it is smaller than the sum of its proper divisors (181781160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74849880 is a wasteful number, since it uses less digits than its factorization.
74849880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89128 (or 89124 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 48.
The square root of 74849880 is about 8651.5825141994. The cubic root of 74849880 is about 421.4347755752.
The spelling of 74849880 in words is "seventy-four million, eight hundred forty-nine thousand, eight hundred eighty".
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