Base | Representation |
---|---|
bin | 1110101001101… |
… | …00010110001110 |
3 | 22120020212002121 |
4 | 13110310112032 |
5 | 222430212211 |
6 | 20110043154 |
7 | 3021420433 |
oct | 724642616 |
9 | 276225077 |
10 | 122897806 |
11 | 63410a39 |
12 | 351a94ba |
13 | 1c5ccbc5 |
14 | 12471b8a |
15 | abc9271 |
hex | 753458e |
122897806 has 8 divisors (see below), whose sum is σ = 184829184. Its totient is φ = 61288080.
The previous prime is 122897771. The next prime is 122897813. The reversal of 122897806 is 608798221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1228978062 = 30207741439227272, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79455 + ... + 80986.
It is an arithmetic number, because the mean of its divisors is an integer number (23103648).
Almost surely, 2122897806 is an apocalyptic number.
122897806 is a deficient number, since it is larger than the sum of its proper divisors (61931378).
122897806 is a wasteful number, since it uses less digits than its factorization.
122897806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160826.
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 122897806 is about 11085.9282876988. The cubic root of 122897806 is about 497.1812134135.
The spelling of 122897806 in words is "one hundred twenty-two million, eight hundred ninety-seven thousand, eight hundred six".
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