Base | Representation |
---|---|
bin | 1000111100000… |
… | …10001101110010 |
3 | 12020002111022200 |
4 | 10132002031302 |
5 | 123143413013 |
6 | 11235044030 |
7 | 1600224111 |
oct | 436021562 |
9 | 166074280 |
10 | 74982258 |
11 | 3936430a |
12 | 21140616 |
13 | 126c4500 |
14 | 9d5bc78 |
15 | 68b1e73 |
hex | 4782372 |
74982258 has 54 divisors (see below), whose sum is σ = 177047559. Its totient is φ = 22924512.
The previous prime is 74982253. The next prime is 74982289. The reversal of 74982258 is 85228947.
It can be written as a sum of positive squares in 5 ways, for example, as 2442969 + 72539289 = 1563^2 + 8517^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=6123.
It is not an unprimeable number, because it can be changed into a prime (74982253) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 477516 + ... + 477672.
Almost surely, 274982258 is an apocalyptic number.
74982258 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 74982258
74982258 is an abundant number, since it is smaller than the sum of its proper divisors (102065301).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74982258 is a wasteful number, since it uses less digits than its factorization.
74982258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348 (or 175 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 74982258 is about 8659.2296424105. The cubic root of 74982258 is about 421.6830762898.
The spelling of 74982258 in words is "seventy-four million, nine hundred eighty-two thousand, two hundred fifty-eight".
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