Base | Representation |
---|---|
bin | 1000111011110… |
… | …11100011011010 |
3 | 12020001002220000 |
4 | 10131323203122 |
5 | 123142024340 |
6 | 11234313430 |
7 | 1600051416 |
oct | 435734332 |
9 | 166032800 |
10 | 74954970 |
11 | 39345862 |
12 | 21128876 |
13 | 126b4c6c |
14 | 9d51d46 |
15 | 68a8d30 |
hex | 477b8da |
74954970 has 160 divisors (see below), whose sum is σ = 215517456. Its totient is φ = 18662400.
The previous prime is 74954969. The next prime is 74954987. The reversal of 74954970 is 7945947.
74954970 is a `hidden beast` number, since 74 + 95 + 497 + 0 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 9199089 + 65755881 = 3033^2 + 8109^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1228740 + ... + 1228800.
Almost surely, 274954970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74954970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107758728).
74954970 is an abundant number, since it is smaller than the sum of its proper divisors (140562486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74954970 is a wasteful number, since it uses less digits than its factorization.
74954970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 74954970 is about 8657.6538392338. The cubic root of 74954970 is about 421.6319162587.
The spelling of 74954970 in words is "seventy-four million, nine hundred fifty-four thousand, nine hundred seventy".
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