Base | Representation |
---|---|
bin | 1000111010011… |
… | …01011110000101 |
3 | 12012200111222000 |
4 | 10131031132011 |
5 | 123120004323 |
6 | 11230255513 |
7 | 1565334204 |
oct | 435153605 |
9 | 165614860 |
10 | 74766213 |
11 | 39226a65 |
12 | 21057599 |
13 | 1264a082 |
14 | 9d0323b |
15 | 686ce43 |
hex | 474d785 |
74766213 has 16 divisors (see below), whose sum is σ = 111384000. Its totient is φ = 49565520.
The previous prime is 74766191. The next prime is 74766227. The reversal of 74766213 is 31266747.
It is not a de Polignac number, because 74766213 - 26 = 74766149 is a prime.
It is a super-2 number, since 2×747662132 = 11179973212722738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74766283) 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, 2763 + ... + 12536.
It is an arithmetic number, because the mean of its divisors is an integer number (6961500).
Almost surely, 274766213 is an apocalyptic number.
It is an amenable number.
74766213 is a deficient number, since it is larger than the sum of its proper divisors (36617787).
74766213 is a wasteful number, since it uses less digits than its factorization.
74766213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15489 (or 15483 counting only the distinct ones).
The product of its digits is 42336, while the sum is 36.
The square root of 74766213 is about 8646.7458040583. The cubic root of 74766213 is about 421.2776908012.
It can be divided in two parts, 7476 and 6213, that added together give a square (13689 = 1172).
The spelling of 74766213 in words is "seventy-four million, seven hundred sixty-six thousand, two hundred thirteen".
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