Base | Representation |
---|---|
bin | 1000111011001… |
… | …10111110011000 |
3 | 12012212211021011 |
4 | 10131212332120 |
5 | 123131330210 |
6 | 11232423304 |
7 | 1566250603 |
oct | 435467630 |
9 | 165784234 |
10 | 74870680 |
11 | 392984a5 |
12 | 210a7b34 |
13 | 126857a1 |
14 | 9d2d33a |
15 | 688dd8a |
hex | 4766f98 |
74870680 has 32 divisors (see below), whose sum is σ = 168706800. Its totient is φ = 29904256.
The previous prime is 74870657. The next prime is 74870687. The reversal of 74870680 is 8607847.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74870687) 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, 48399 + ... + 49921.
Almost surely, 274870680 is an apocalyptic number.
It is an amenable number.
74870680 is an abundant number, since it is smaller than the sum of its proper divisors (93836120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74870680 is a wasteful number, since it uses less digits than its factorization.
74870680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2763 (or 2759 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 74870680 is about 8652.7845229152. The cubic root of 74870680 is about 421.4738094008.
The spelling of 74870680 in words is "seventy-four million, eight hundred seventy thousand, six hundred eighty".
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