Base | Representation |
---|---|
bin | 1000101010001… |
… | …01001010010110 |
3 | 12001200020112022 |
4 | 10111011022112 |
5 | 122043310110 |
6 | 11112453142 |
7 | 1541246636 |
oct | 425051226 |
9 | 161606468 |
10 | 72635030 |
11 | 38000856 |
12 | 203aa1b2 |
13 | 12082010 |
14 | 990a6c6 |
15 | 659b755 |
hex | 4545296 |
72635030 has 16 divisors (see below), whose sum is σ = 140800464. Its totient is φ = 26819040.
The previous prime is 72635029. The next prime is 72635039. The reversal of 72635030 is 3053627.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72635039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279236 + ... + 279495.
It is an arithmetic number, because the mean of its divisors is an integer number (8800029).
Almost surely, 272635030 is an apocalyptic number.
72635030 is a deficient number, since it is larger than the sum of its proper divisors (68165434).
72635030 is a wasteful number, since it uses less digits than its factorization.
72635030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558751.
The product of its (nonzero) digits is 3780, while the sum is 26.
The square root of 72635030 is about 8522.6187290058. The cubic root of 72635030 is about 417.2362563851.
Adding to 72635030 its reverse (3053627), we get a palindrome (75688657).
The spelling of 72635030 in words is "seventy-two million, six hundred thirty-five thousand, thirty".
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