Base | Representation |
---|---|
bin | 1000101010010… |
… | …11110000001101 |
3 | 12001201121120021 |
4 | 10111023300031 |
5 | 122100141104 |
6 | 11113222141 |
7 | 1541421436 |
oct | 425136015 |
9 | 161647507 |
10 | 72662029 |
11 | 3801a070 |
12 | 20401951 |
13 | 120913ab |
14 | 991648d |
15 | 65a4754 |
hex | 454bc0d |
72662029 has 8 divisors (see below), whose sum is σ = 83930688. Its totient is φ = 62170560.
The previous prime is 72662027. The next prime is 72662033. The reversal of 72662029 is 92026627.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72662029 - 21 = 72662027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 72661985 and 72662003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72662027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194097 + ... + 194470.
It is an arithmetic number, because the mean of its divisors is an integer number (10491336).
Almost surely, 272662029 is an apocalyptic number.
It is an amenable number.
72662029 is a deficient number, since it is larger than the sum of its proper divisors (11268659).
72662029 is a wasteful number, since it uses less digits than its factorization.
72662029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388595.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 72662029 is about 8524.2025433468. The cubic root of 72662029 is about 417.2879466243.
It can be divided in two parts, 726 and 62029, that multiplied together give a palindrome (45033054).
The spelling of 72662029 in words is "seventy-two million, six hundred sixty-two thousand, twenty-nine".
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