Base | Representation |
---|---|
bin | 1000111010101… |
… | …10110010110001 |
3 | 12012202110100101 |
4 | 10131112302301 |
5 | 123122220101 |
6 | 11231152401 |
7 | 1565553430 |
oct | 435266261 |
9 | 165673311 |
10 | 74804401 |
11 | 39252721 |
12 | 21075701 |
13 | 12661579 |
14 | 9d13117 |
15 | 6879401 |
hex | 4756cb1 |
74804401 has 16 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 62447760.
The previous prime is 74804383. The next prime is 74804423. The reversal of 74804401 is 10440847.
It is a cyclic number.
It is not a de Polignac number, because 74804401 - 211 = 74802353 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 74804401.
It is not an unprimeable number, because it can be changed into a prime (74804461) 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, 88740 + ... + 89578.
It is an arithmetic number, because the mean of its divisors is an integer number (5483520).
Almost surely, 274804401 is an apocalyptic number.
It is an amenable number.
74804401 is a deficient number, since it is larger than the sum of its proper divisors (12931919).
74804401 is a wasteful number, since it uses less digits than its factorization.
74804401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1164.
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 74804401 is about 8648.9537517552. The cubic root of 74804401 is about 421.3494032926.
It can be divided in two parts, 7480 and 4401, that added together give a square (11881 = 1092).
The spelling of 74804401 in words is "seventy-four million, eight hundred four thousand, four hundred one".
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