Base | Representation |
---|---|
bin | 1000110100101… |
… | …11110100101001 |
3 | 12011021201100102 |
4 | 10122113310221 |
5 | 122422202220 |
6 | 11202315145 |
7 | 1556115056 |
oct | 432276451 |
9 | 164251312 |
10 | 74022185 |
11 | 38868a66 |
12 | 20958ab5 |
13 | 12449513 |
14 | 9b8c02d |
15 | 6772775 |
hex | 4697d29 |
74022185 has 8 divisors (see below), whose sum is σ = 90502920. Its totient is φ = 58100224.
The previous prime is 74022173. The next prime is 74022187. The reversal of 74022185 is 58122047.
It can be written as a sum of positive squares in 4 ways, for example, as 34621456 + 39400729 = 5884^2 + 6277^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74022185 - 224 = 57244969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74022187) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139400 + ... + 139929.
It is an arithmetic number, because the mean of its divisors is an integer number (11312865).
Almost surely, 274022185 is an apocalyptic number.
It is an amenable number.
74022185 is a deficient number, since it is larger than the sum of its proper divisors (16480735).
74022185 is a wasteful number, since it uses less digits than its factorization.
74022185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279387.
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 74022185 is about 8603.6146473445. The cubic root of 74022185 is about 419.8755961863.
The spelling of 74022185 in words is "seventy-four million, twenty-two thousand, one hundred eighty-five".
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