Base | Representation |
---|---|
bin | 1000101010000… |
… | …10010110110101 |
3 | 12001122122202210 |
4 | 10111002112311 |
5 | 122042423131 |
6 | 11112324033 |
7 | 1541201304 |
oct | 425022665 |
9 | 161578683 |
10 | 72623541 |
11 | 37aa3161 |
12 | 203a3619 |
13 | 12079a13 |
14 | 990643b |
15 | 6598146 |
hex | 45425b5 |
72623541 has 8 divisors (see below), whose sum is σ = 102527424. Its totient is φ = 45567680.
The previous prime is 72623533. The next prime is 72623543. The reversal of 72623541 is 14532627.
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 72623541 - 23 = 72623533 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72623499 and 72623508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72623543) 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, 711945 + ... + 712046.
It is an arithmetic number, because the mean of its divisors is an integer number (12815928).
Almost surely, 272623541 is an apocalyptic number.
It is an amenable number.
72623541 is a deficient number, since it is larger than the sum of its proper divisors (29903883).
72623541 is a wasteful number, since it uses less digits than its factorization.
72623541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424011.
The product of its digits is 10080, while the sum is 30.
The square root of 72623541 is about 8521.9446724325. The cubic root of 72623541 is about 417.2142565313.
The spelling of 72623541 in words is "seventy-two million, six hundred twenty-three thousand, five hundred forty-one".
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