Base | Representation |
---|---|
bin | 1000110110001… |
… | …10100011001100 |
3 | 12011122102220010 |
4 | 10123012203030 |
5 | 122444313310 |
6 | 11210353220 |
7 | 1560543060 |
oct | 433064314 |
9 | 164572803 |
10 | 74213580 |
11 | 38989841 |
12 | 20a2b810 |
13 | 124b567c |
14 | 9bdbaa0 |
15 | 67ae320 |
hex | 46c68cc |
74213580 has 48 divisors (see below), whose sum is σ = 237484800. Its totient is φ = 16963008.
The previous prime is 74213561. The next prime is 74213591. The reversal of 74213580 is 8531247.
74213580 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
74213580 is strictly pandigital in base 9.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87930 + ... + 88769.
It is an arithmetic number, because the mean of its divisors is an integer number (4947600).
Almost surely, 274213580 is an apocalyptic number.
74213580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
74213580 is an abundant number, since it is smaller than the sum of its proper divisors (163271220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74213580 is a wasteful number, since it uses less digits than its factorization.
74213580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176718 (or 176716 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 74213580 is about 8614.7304078537. The cubic root of 74213580 is about 420.2371676371.
The spelling of 74213580 in words is "seventy-four million, two hundred thirteen thousand, five hundred eighty".
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