Base | Representation |
---|---|
bin | 1010100010010… |
… | …11101010101111 |
3 | 20011022200201112 |
4 | 11101023222233 |
5 | 140111442234 |
6 | 12434302235 |
7 | 2122206503 |
oct | 521135257 |
9 | 204280645 |
10 | 88390319 |
11 | 45991a56 |
12 | 2572797b |
13 | 1540a384 |
14 | ba4c303 |
15 | 7b5eace |
hex | 544baaf |
88390319 has 4 divisors (see below), whose sum is σ = 89888520. Its totient is φ = 86892120.
The previous prime is 88390307. The next prime is 88390343. The reversal of 88390319 is 91309388.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 88390319 - 24 = 88390303 is a prime.
It is a super-2 number, since 2×883903192 = 15625696985843522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88390369) 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, 749012 + ... + 749129.
It is an arithmetic number, because the mean of its divisors is an integer number (22472130).
Almost surely, 288390319 is an apocalyptic number.
88390319 is a deficient number, since it is larger than the sum of its proper divisors (1498201).
88390319 is a wasteful number, since it uses less digits than its factorization.
88390319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1498200.
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 88390319 is about 9401.6125744470. The cubic root of 88390319 is about 445.4526707089.
The spelling of 88390319 in words is "eighty-eight million, three hundred ninety thousand, three hundred nineteen".
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