Base | Representation |
---|---|
bin | 1000111000110… |
… | …11011000110100 |
3 | 12012022002120100 |
4 | 10130123120310 |
5 | 123041423301 |
6 | 11222034100 |
7 | 1563521142 |
oct | 434333064 |
9 | 165262510 |
10 | 74561076 |
11 | 390a6927 |
12 | 20b78930 |
13 | 125a78a5 |
14 | 9c8c592 |
15 | 682c286 |
hex | 471b634 |
74561076 has 72 divisors (see below), whose sum is σ = 197503488. Its totient is φ = 23688000.
The previous prime is 74561063. The next prime is 74561159. The reversal of 74561076 is 67016547.
74561076 is nontrivially palindromic in base 15.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 74561076.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78766 + ... + 79706.
It is an arithmetic number, because the mean of its divisors is an integer number (2743104).
Almost surely, 274561076 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 74561076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98751744).
74561076 is an abundant number, since it is smaller than the sum of its proper divisors (122942412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74561076 is a wasteful number, since it uses less digits than its factorization.
74561076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 74561076 is about 8634.8755636662. The cubic root of 74561076 is about 420.8920495881.
The spelling of 74561076 in words is "seventy-four million, five hundred sixty-one thousand, seventy-six".
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