Base | Representation |
---|---|
bin | 1000111011110… |
… | …00111010011010 |
3 | 12020000120001102 |
4 | 10131320322122 |
5 | 123141203104 |
6 | 11234151402 |
7 | 1600005035 |
oct | 435707232 |
9 | 166016042 |
10 | 74944154 |
11 | 3933871a |
12 | 21122562 |
13 | 126b006c |
14 | 9d4c01c |
15 | 68a5a1e |
hex | 4778e9a |
74944154 has 8 divisors (see below), whose sum is σ = 112601460. Its totient is φ = 37410336.
The previous prime is 74944127. The next prime is 74944159. The reversal of 74944154 is 45144947.
It can be written as a sum of positive squares in 2 ways, for example, as 48678529 + 26265625 = 6977^2 + 5125^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (74944159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29339 + ... + 31790.
Almost surely, 274944154 is an apocalyptic number.
74944154 is a deficient number, since it is larger than the sum of its proper divisors (37657306).
74944154 is a wasteful number, since it uses less digits than its factorization.
74944154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61744.
The product of its digits is 80640, while the sum is 38.
The square root of 74944154 is about 8657.0291670988. The cubic root of 74944154 is about 421.6116347920.
The spelling of 74944154 in words is "seventy-four million, nine hundred forty-four thousand, one hundred fifty-four".
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