Base | Representation |
---|---|
bin | 1011101011101… |
… | …01110000011111 |
3 | 20211101220121001 |
4 | 11311311300133 |
5 | 200041444103 |
6 | 13420251131 |
7 | 2266662001 |
oct | 565656037 |
9 | 224356531 |
10 | 97999903 |
11 | 50355861 |
12 | 289a0aa7 |
13 | 173c3311 |
14 | d030371 |
15 | 890c01d |
hex | 5d75c1f |
97999903 has 8 divisors (see below), whose sum is σ = 101494080. Its totient is φ = 94513440.
The previous prime is 97999879. The next prime is 97999919. The reversal of 97999903 is 30999979.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 97999903 - 217 = 97868831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97999943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38826 + ... + 41272.
It is an arithmetic number, because the mean of its divisors is an integer number (12686760).
Almost surely, 297999903 is an apocalyptic number.
97999903 is the 5292-nd centered heptagonal number.
97999903 is a deficient number, since it is larger than the sum of its proper divisors (3494177).
97999903 is a wasteful number, since it uses less digits than its factorization.
97999903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3857.
The product of its (nonzero) digits is 1240029, while the sum is 55.
The square root of 97999903 is about 9899.4900373706. The cubic root of 97999903 is about 461.0434770928.
It can be divided in two parts, 97 and 999903, that added together give a 6-th power (1000000 = 106).
The spelling of 97999903 in words is "ninety-seven million, nine hundred ninety-nine thousand, nine hundred three".
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