Base | Representation |
---|---|
bin | 1000101000111… |
… | …11000100011110 |
3 | 12001101022111122 |
4 | 10110133010132 |
5 | 122023312011 |
6 | 11105250542 |
7 | 1540030025 |
oct | 424370436 |
9 | 161338448 |
10 | 72479006 |
11 | 37a04606 |
12 | 20333a52 |
13 | 12028cb2 |
14 | 98a98bc |
15 | 656a3db |
hex | 451f11e |
72479006 has 4 divisors (see below), whose sum is σ = 108718512. Its totient is φ = 36239502.
The previous prime is 72478997. The next prime is 72479009. The reversal of 72479006 is 60097427.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60097427 = 13 ⋅4622879.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72479009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18119750 + ... + 18119753.
It is an arithmetic number, because the mean of its divisors is an integer number (27179628).
Almost surely, 272479006 is an apocalyptic number.
72479006 is a deficient number, since it is larger than the sum of its proper divisors (36239506).
72479006 is a wasteful number, since it uses less digits than its factorization.
72479006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36239505.
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 72479006 is about 8513.4602835745. The cubic root of 72479006 is about 416.9372934864.
The spelling of 72479006 in words is "seventy-two million, four hundred seventy-nine thousand, six".
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