Base | Representation |
---|---|
bin | 1000111011110… |
… | …00110111010010 |
3 | 12020000112210000 |
4 | 10131320313102 |
5 | 123141201304 |
6 | 11234150430 |
7 | 1600004331 |
oct | 435706722 |
9 | 166015700 |
10 | 74943954 |
11 | 39338558 |
12 | 21122416 |
13 | 126acc47 |
14 | 9d4bd18 |
15 | 68a5939 |
hex | 4778dd2 |
74943954 has 40 divisors (see below), whose sum is σ = 168664320. Its totient is φ = 24872184.
The previous prime is 74943949. The next prime is 74943971. The reversal of 74943954 is 45934947.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41727 + ... + 43485.
It is an arithmetic number, because the mean of its divisors is an integer number (4216608).
Almost surely, 274943954 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74943954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84332160).
74943954 is an abundant number, since it is smaller than the sum of its proper divisors (93720366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74943954 is a wasteful number, since it uses less digits than its factorization.
74943954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2036 (or 2027 counting only the distinct ones).
The product of its digits is 544320, while the sum is 45.
The square root of 74943954 is about 8657.0176157843. The cubic root of 74943954 is about 421.6112597465.
The spelling of 74943954 in words is "seventy-four million, nine hundred forty-three thousand, nine hundred fifty-four".
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