Base | Representation |
---|---|
bin | 110101101100… |
… | …0110010011101 |
3 | 1221222012211110 |
4 | 1223120302131 |
5 | 24201312231 |
6 | 2443212233 |
7 | 461164500 |
oct | 153306235 |
9 | 57865743 |
10 | 28150941 |
11 | 14988245 |
12 | 9517079 |
13 | 5aa8480 |
14 | 3a4b137 |
15 | 2711046 |
hex | 1ad8c9d |
28150941 has 24 divisors (see below), whose sum is σ = 47024544. Its totient is φ = 14847840.
The previous prime is 28150933. The next prime is 28150943. The reversal of 28150941 is 14905182.
It is a happy number.
It is not a de Polignac number, because 28150941 - 23 = 28150933 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 28150899 and 28150908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28150943) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5455 + ... + 9276.
It is an arithmetic number, because the mean of its divisors is an integer number (1959356).
Almost surely, 228150941 is an apocalyptic number.
28150941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
28150941 is a deficient number, since it is larger than the sum of its proper divisors (18873603).
28150941 is a wasteful number, since it uses less digits than its factorization.
28150941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14761 (or 14754 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 28150941 is about 5305.7460361386. The cubic root of 28150941 is about 304.2035693597.
The spelling of 28150941 in words is "twenty-eight million, one hundred fifty thousand, nine hundred forty-one".
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