Base | Representation |
---|---|
bin | 1000101011111… |
… | …10011001011110 |
3 | 12002010011010021 |
4 | 10111332121132 |
5 | 122123310340 |
6 | 11121502354 |
7 | 1543244302 |
oct | 425763136 |
9 | 162104107 |
10 | 72869470 |
11 | 38150a03 |
12 | 204a19ba |
13 | 1213493b |
14 | 996bd02 |
15 | 65e5e4a |
hex | 457e65e |
72869470 has 8 divisors (see below), whose sum is σ = 131165064. Its totient is φ = 29147784.
The previous prime is 72869453. The next prime is 72869471. The reversal of 72869470 is 7496827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72869471) 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, 3643464 + ... + 3643483.
It is an arithmetic number, because the mean of its divisors is an integer number (16395633).
Almost surely, 272869470 is an apocalyptic number.
72869470 is a deficient number, since it is larger than the sum of its proper divisors (58295594).
72869470 is a wasteful number, since it uses less digits than its factorization.
72869470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7286954.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 72869470 is about 8536.3616371379. The cubic root of 72869470 is about 417.6846709536.
The spelling of 72869470 in words is "seventy-two million, eight hundred sixty-nine thousand, four hundred seventy".
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