Base | Representation |
---|---|
bin | 10010010111111… |
… | …11100100111101 |
3 | 101202001001212200 |
4 | 21023333210331 |
5 | 303424421231 |
6 | 23143422113 |
7 | 3551105445 |
oct | 1113774475 |
9 | 352031780 |
10 | 154138941 |
11 | 7a009960 |
12 | 43754939 |
13 | 25c1aa98 |
14 | 16685125 |
15 | d7eabe6 |
hex | 92ff93d |
154138941 has 24 divisors (see below), whose sum is σ = 246317760. Its totient is φ = 92097600.
The previous prime is 154138937. The next prime is 154138951. The reversal of 154138941 is 149831451.
It is not a de Polignac number, because 154138941 - 22 = 154138937 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 154138896 and 154138905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154138951) 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, 3936 + ... + 17993.
It is an arithmetic number, because the mean of its divisors is an integer number (10263240).
Almost surely, 2154138941 is an apocalyptic number.
154138941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
154138941 is a deficient number, since it is larger than the sum of its proper divisors (92178819).
154138941 is a wasteful number, since it uses less digits than its factorization.
154138941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22017 (or 22014 counting only the distinct ones).
The product of its digits is 17280, while the sum is 36.
The square root of 154138941 is about 12415.2704763126. The cubic root of 154138941 is about 536.1719915216.
The spelling of 154138941 in words is "one hundred fifty-four million, one hundred thirty-eight thousand, nine hundred forty-one".
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