Base | Representation |
---|---|
bin | 1000110100100… |
… | …10011010000000 |
3 | 12011020120220202 |
4 | 10122102122000 |
5 | 122421000000 |
6 | 11202024332 |
7 | 1555663304 |
oct | 432223200 |
9 | 164216822 |
10 | 74000000 |
11 | 38853328 |
12 | 209480a8 |
13 | 1243c3a9 |
14 | 9b83d04 |
15 | 676add5 |
hex | 4692680 |
74000000 has 112 divisors (see below), whose sum is σ = 189255390. Its totient is φ = 28800000.
The previous prime is 73999969. The next prime is 74000051. The reversal of 74000000 is 47.
It can be written as a sum of positive squares in 7 ways, for example, as 22963264 + 51036736 = 4792^2 + 7144^2 .
It is a nialpdrome in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1999982 + ... + 2000018.
Almost surely, 274000000 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 74000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94627695).
74000000 is an abundant number, since it is smaller than the sum of its proper divisors (115255390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74000000 is an frugal number, since it uses more digits than its factorization.
74000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81 (or 44 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 11.
The square root of 74000000 is about 8602.3252670426. The cubic root of 74000000 is about 419.8336453808.
Adding to 74000000 its reverse (47), we get a palindrome (74000047).
The spelling of 74000000 in words is "seventy-four million", and thus it is an aban number.
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