Base | Representation |
---|---|
bin | 1010101111001… |
… | …10010100000111 |
3 | 20021111011000010 |
4 | 11113212110013 |
5 | 141024303302 |
6 | 12534321303 |
7 | 2142413352 |
oct | 527462407 |
9 | 207434003 |
10 | 90072327 |
11 | 46930744 |
12 | 261b9233 |
13 | 15878b47 |
14 | bd69299 |
15 | 7d9316c |
hex | 55e6507 |
90072327 has 4 divisors (see below), whose sum is σ = 120096440. Its totient is φ = 60048216.
The previous prime is 90072299. The next prime is 90072343. The reversal of 90072327 is 72327009.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 90072327 - 218 = 89810183 is a prime.
It is a super-2 number, since 2×900723272 = 16226048182389858, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 90072294 and 90072303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90072427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15012052 + ... + 15012057.
It is an arithmetic number, because the mean of its divisors is an integer number (30024110).
Almost surely, 290072327 is an apocalyptic number.
90072327 is a deficient number, since it is larger than the sum of its proper divisors (30024113).
90072327 is a wasteful number, since it uses less digits than its factorization.
90072327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30024112.
The product of its (nonzero) digits is 5292, while the sum is 30.
The square root of 90072327 is about 9490.6441825621. The cubic root of 90072327 is about 448.2604893867.
The spelling of 90072327 in words is "ninety million, seventy-two thousand, three hundred twenty-seven".
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