Base | Representation |
---|---|
bin | 1010100011001… |
… | …01001001011001 |
3 | 20011111222212210 |
4 | 11101211021121 |
5 | 140123312211 |
6 | 12440425333 |
7 | 2123122662 |
oct | 521451131 |
9 | 204458783 |
10 | 88494681 |
11 | 45a53400 |
12 | 25778249 |
13 | 15445a22 |
14 | ba78369 |
15 | 7b809a6 |
hex | 5465259 |
88494681 has 12 divisors (see below), whose sum is σ = 129695216. Its totient is φ = 53632920.
The previous prime is 88494661. The next prime is 88494691. The reversal of 88494681 is 18649488.
It is not a de Polignac number, because 88494681 - 26 = 88494617 is a prime.
It is a super-2 number, since 2×884946812 = 15662617130583522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 88494681.
It is not an unprimeable number, because it can be changed into a prime (88494641) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121531 + ... + 122256.
Almost surely, 288494681 is an apocalyptic number.
It is an amenable number.
88494681 is a deficient number, since it is larger than the sum of its proper divisors (41200535).
88494681 is a wasteful number, since it uses less digits than its factorization.
88494681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243812 (or 243801 counting only the distinct ones).
The product of its digits is 442368, while the sum is 48.
The square root of 88494681 is about 9407.1611552051. The cubic root of 88494681 is about 445.6279163238.
It can be divided in two parts, 8849 and 4681, that added together give a triangular number (13530 = T164).
The spelling of 88494681 in words is "eighty-eight million, four hundred ninety-four thousand, six hundred eighty-one".
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