Base | Representation |
---|---|
bin | 10010010110111… |
… | …11011001100101 |
3 | 101201210101002012 |
4 | 21023133121211 |
5 | 303411212031 |
6 | 23140524005 |
7 | 3550016261 |
oct | 1113373145 |
9 | 351711065 |
10 | 154007141 |
11 | 79a29932 |
12 | 436b0605 |
13 | 25ba2ab2 |
14 | 1664d0a1 |
15 | d7c1b2b |
hex | 92df665 |
154007141 has 4 divisors (see below), whose sum is σ = 162112800. Its totient is φ = 145901484.
The previous prime is 154007129. The next prime is 154007143. The reversal of 154007141 is 141700451.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141700451 = 71 ⋅1995781.
It is a cyclic number.
It is not a de Polignac number, because 154007141 - 222 = 149812837 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154007143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052801 + ... + 4052838.
It is an arithmetic number, because the mean of its divisors is an integer number (40528200).
Almost surely, 2154007141 is an apocalyptic number.
It is an amenable number.
154007141 is a deficient number, since it is larger than the sum of its proper divisors (8105659).
154007141 is an equidigital number, since it uses as much as digits as its factorization.
154007141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8105658.
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 154007141 is about 12409.9613617448. The cubic root of 154007141 is about 536.0191259326.
Adding to 154007141 its reverse (141700451), we get a palindrome (295707592).
The spelling of 154007141 in words is "one hundred fifty-four million, seven thousand, one hundred forty-one".
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