Base | Representation |
---|---|
bin | 1000100110011… |
… | …01001101100010 |
3 | 12000202021120102 |
4 | 10103031031202 |
5 | 121432044324 |
6 | 11054142402 |
7 | 1534132346 |
oct | 423151542 |
9 | 160667512 |
10 | 72143714 |
11 | 377a5705 |
12 | 201b1a02 |
13 | 11c3c4b6 |
14 | 981d626 |
15 | 6500dae |
hex | 44cd362 |
72143714 has 8 divisors (see below), whose sum is σ = 108942300. Its totient is φ = 35829616.
The previous prime is 72143713. The next prime is 72143719. The reversal of 72143714 is 41734127.
It can be written as a sum of positive squares in 2 ways, for example, as 62932489 + 9211225 = 7933^2 + 3035^2 .
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 (72143713) 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, 120749 + ... + 121344.
Almost surely, 272143714 is an apocalyptic number.
72143714 is a deficient number, since it is larger than the sum of its proper divisors (36798586).
72143714 is a wasteful number, since it uses less digits than its factorization.
72143714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242244.
The product of its digits is 4704, while the sum is 29.
The square root of 72143714 is about 8493.7455813086. The cubic root of 72143714 is about 416.2933743244.
The spelling of 72143714 in words is "seventy-two million, one hundred forty-three thousand, seven hundred fourteen".
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