Base | Representation |
---|---|
bin | 10010011000110… |
… | …00110001100111 |
3 | 101202020022110021 |
4 | 21030120301213 |
5 | 303441222101 |
6 | 23145540011 |
7 | 3552015400 |
oct | 1114306147 |
9 | 352208407 |
10 | 154242151 |
11 | 7a07a458 |
12 | 437a4607 |
13 | 25c55a5b |
14 | 166b09a7 |
15 | d81b5a1 |
hex | 9318c67 |
154242151 has 12 divisors (see below), whose sum is σ = 180801720. Its totient is φ = 131192880.
The previous prime is 154242149. The next prime is 154242217. The reversal of 154242151 is 151242451.
It is not a de Polignac number, because 154242151 - 21 = 154242149 is a prime.
It is a super-2 number, since 2×1542421512 = 47581282290213602, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154242131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5596 + ... + 18433.
It is an arithmetic number, because the mean of its divisors is an integer number (15066810).
Almost surely, 2154242151 is an apocalyptic number.
154242151 is a deficient number, since it is larger than the sum of its proper divisors (26559569).
154242151 is a wasteful number, since it uses less digits than its factorization.
154242151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24174 (or 24167 counting only the distinct ones).
The product of its digits is 1600, while the sum is 25.
The square root of 154242151 is about 12419.4263555126. The cubic root of 154242151 is about 536.2916367458.
The spelling of 154242151 in words is "one hundred fifty-four million, two hundred forty-two thousand, one hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •