Base | Representation |
---|---|
bin | 1000100110100… |
… | …11011001001011 |
3 | 12000210120022020 |
4 | 10103103121023 |
5 | 121433402120 |
6 | 11054455523 |
7 | 1534266231 |
oct | 423233113 |
9 | 160716266 |
10 | 72169035 |
11 | 37812734 |
12 | 202045a3 |
13 | 11c4ab93 |
14 | 9828951 |
15 | 6508640 |
hex | 44d364b |
72169035 has 8 divisors (see below), whose sum is σ = 115470480. Its totient is φ = 38490144.
The previous prime is 72169033. The next prime is 72169037. The reversal of 72169035 is 53096127.
It is an interprime number because it is at equal distance from previous prime (72169033) and next prime (72169037).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72169035 - 21 = 72169033 is a prime.
It is a super-2 number, since 2×721690352 = 10416739225662450, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 72168987 and 72169005.
It is not an unprimeable number, because it can be changed into a prime (72169033) 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 in 7 ways as a sum of consecutive naturals, for example, 2405620 + ... + 2405649.
It is an arithmetic number, because the mean of its divisors is an integer number (14433810).
Almost surely, 272169035 is an apocalyptic number.
72169035 is a deficient number, since it is larger than the sum of its proper divisors (43301445).
72169035 is a wasteful number, since it uses less digits than its factorization.
72169035 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4811277.
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 72169035 is about 8495.2360179103. The cubic root of 72169035 is about 416.3420721756.
The spelling of 72169035 in words is "seventy-two million, one hundred sixty-nine thousand, thirty-five".
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