Base | Representation |
---|---|
bin | 1000101010000… |
… | …11000011000101 |
3 | 12001122210122200 |
4 | 10111003003011 |
5 | 122043020443 |
6 | 11112345113 |
7 | 1541212461 |
oct | 425030305 |
9 | 161583580 |
10 | 72626373 |
11 | 37aa52a6 |
12 | 203a5199 |
13 | 1207b0b1 |
14 | 99074a1 |
15 | 6598dd3 |
hex | 45430c5 |
72626373 has 24 divisors (see below), whose sum is σ = 107061240. Its totient is φ = 47433600.
The previous prime is 72626371. The next prime is 72626381. The reversal of 72626373 is 37362627.
It can be written as a sum of positive squares in 4 ways, for example, as 58018689 + 14607684 = 7617^2 + 3822^2 .
It is not a de Polignac number, because 72626373 - 21 = 72626371 is a prime.
It is a super-3 number, since 3×726263733 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72626371) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98715 + ... + 99447.
It is an arithmetic number, because the mean of its divisors is an integer number (4460885).
Almost surely, 272626373 is an apocalyptic number.
It is an amenable number.
72626373 is a deficient number, since it is larger than the sum of its proper divisors (34434867).
72626373 is a wasteful number, since it uses less digits than its factorization.
72626373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949 (or 946 counting only the distinct ones).
The product of its digits is 63504, while the sum is 36.
The square root of 72626373 is about 8522.1108300702. The cubic root of 72626373 is about 417.2196796370.
The spelling of 72626373 in words is "seventy-two million, six hundred twenty-six thousand, three hundred seventy-three".
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