Base | Representation |
---|---|
bin | 11101110000010… |
… | …11001100011110 |
3 | 122101200100100120 |
4 | 32320023030132 |
5 | 1002344410232 |
6 | 40433535410 |
7 | 6120424014 |
oct | 1670131436 |
9 | 571610316 |
10 | 249606942 |
11 | 118995432 |
12 | 6b714566 |
13 | 3c935820 |
14 | 252168b4 |
15 | 16da792c |
hex | ee0b31e |
249606942 has 32 divisors (see below), whose sum is σ = 549061632. Its totient is φ = 75166944.
The previous prime is 249606941. The next prime is 249606977.
249606942 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 249606894 and 249606903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (249606941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30378 + ... + 37709.
It is an arithmetic number, because the mean of its divisors is an integer number (17158176).
Almost surely, 2249606942 is an apocalyptic number.
249606942 is an abundant number, since it is smaller than the sum of its proper divisors (299454690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
249606942 is a wasteful number, since it uses less digits than its factorization.
249606942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68152.
The product of its (nonzero) digits is 186624, while the sum is 42.
The square root of 249606942 is about 15798.9538261241. The cubic root of 249606942 is about 629.6302037410.
The spelling of 249606942 in words is "two hundred forty-nine million, six hundred six thousand, nine hundred forty-two".
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