Base | Representation |
---|---|
bin | 1000111001111… |
… | …01101000001000 |
3 | 12012120012221120 |
4 | 10130331220020 |
5 | 123110420240 |
6 | 11225035240 |
7 | 1564644051 |
oct | 434755010 |
9 | 165505846 |
10 | 74701320 |
11 | 39192231 |
12 | 21025b20 |
13 | 12626685 |
14 | 9cc7728 |
15 | 6858ad0 |
hex | 473da08 |
74701320 has 128 divisors (see below), whose sum is σ = 237219840. Its totient is φ = 18789120.
The previous prime is 74701307. The next prime is 74701339. The reversal of 74701320 is 2310747.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159727 + ... + 160193.
It is an arithmetic number, because the mean of its divisors is an integer number (1853280).
Almost surely, 274701320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74701320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118609920).
74701320 is an abundant number, since it is smaller than the sum of its proper divisors (162518520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74701320 is a wasteful number, since it uses less digits than its factorization.
74701320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555 (or 551 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 74701320 is about 8642.9925373102. The cubic root of 74701320 is about 421.1557734930.
The spelling of 74701320 in words is "seventy-four million, seven hundred one thousand, three hundred twenty".
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