Base | Representation |
---|---|
bin | 1000100101101… |
… | …10001001100110 |
3 | 12000120110222220 |
4 | 10102312021212 |
5 | 121421034004 |
6 | 11052133210 |
7 | 1533260064 |
oct | 422661146 |
9 | 160513886 |
10 | 72049254 |
11 | 37740742 |
12 | 20167206 |
13 | 11c084c4 |
14 | 97d7034 |
15 | 64d2dd9 |
hex | 44b6266 |
72049254 has 32 divisors (see below), whose sum is σ = 153962880. Its totient is φ = 22410432.
The previous prime is 72049223. The next prime is 72049279. The reversal of 72049254 is 45294027.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 12354.
It is an arithmetic number, because the mean of its divisors is an integer number (4811340).
Almost surely, 272049254 is an apocalyptic number.
72049254 is an abundant number, since it is smaller than the sum of its proper divisors (81913626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72049254 is a wasteful number, since it uses less digits than its factorization.
72049254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9524.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 72049254 is about 8488.1831978345. The cubic root of 72049254 is about 416.1116063655. Note that the first 3 decimals are identical.
The spelling of 72049254 in words is "seventy-two million, forty-nine thousand, two hundred fifty-four".
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