Base | Representation |
---|---|
bin | 1011110100000… |
… | …10101100101111 |
3 | 20220110212200110 |
4 | 11322002230233 |
5 | 200332221422 |
6 | 13500031103 |
7 | 2312230422 |
oct | 572025457 |
9 | 226425613 |
10 | 99101487 |
11 | 50a38461 |
12 | 29232493 |
13 | 176ba844 |
14 | d2399b9 |
15 | 8a7860c |
hex | 5e82b2f |
99101487 has 8 divisors (see below), whose sum is σ = 132188800. Its totient is φ = 66040920.
The previous prime is 99101479. The next prime is 99101489. The reversal of 99101487 is 78410199.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 99101487 - 23 = 99101479 is a prime.
It is a super-2 number, since 2×991014872 = 19642209451222338, 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 (99101489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4764 + ... + 14862.
It is an arithmetic number, because the mean of its divisors is an integer number (16523600).
Almost surely, 299101487 is an apocalyptic number.
99101487 is a deficient number, since it is larger than the sum of its proper divisors (33087313).
99101487 is a wasteful number, since it uses less digits than its factorization.
99101487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13373.
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 99101487 is about 9954.9729783661. The cubic root of 99101487 is about 462.7645228457.
The spelling of 99101487 in words is "ninety-nine million, one hundred one thousand, four hundred eighty-seven".
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