Base | Representation |
---|---|
bin | 1010101010110… |
… | …00001000101111 |
3 | 20020101120011020 |
4 | 11111120020233 |
5 | 140402134332 |
6 | 12514025223 |
7 | 2134436460 |
oct | 525301057 |
9 | 206346136 |
10 | 89489967 |
11 | 46573156 |
12 | 25b78213 |
13 | 15703a58 |
14 | bc56d67 |
15 | 7cca82c |
hex | 555822f |
89489967 has 16 divisors (see below), whose sum is σ = 136718592. Its totient is φ = 51004800.
The previous prime is 89489951. The next prime is 89489993. The reversal of 89489967 is 76998498.
It is not a de Polignac number, because 89489967 - 24 = 89489951 is a prime.
It is a super-2 number, since 2×894899672 = 16016908387322178, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 89489967.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89489947) 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 15 ways as a sum of consecutive naturals, for example, 3108 + ... + 13734.
It is an arithmetic number, because the mean of its divisors is an integer number (8544912).
Almost surely, 289489967 is an apocalyptic number.
89489967 is a deficient number, since it is larger than the sum of its proper divisors (47228625).
89489967 is a wasteful number, since it uses less digits than its factorization.
89489967 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11038.
The product of its digits is 7838208, while the sum is 60.
The square root of 89489967 is about 9459.9136888240. The cubic root of 89489967 is about 447.2923281382.
It can be divided in two parts, 8948 and 9967, that added together give a triangular number (18915 = T194).
The spelling of 89489967 in words is "eighty-nine million, four hundred eighty-nine thousand, nine hundred sixty-seven".
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