Base | Representation |
---|---|
bin | 10010010111010… |
… | …10011000110000 |
3 | 101201212122210222 |
4 | 21023222120300 |
5 | 303414132034 |
6 | 23141512212 |
7 | 3550264421 |
oct | 1113523060 |
9 | 351778728 |
10 | 154052144 |
11 | 79a5a724 |
12 | 43712668 |
13 | 25bba41c |
14 | 16661648 |
15 | d7d012e |
hex | 92ea630 |
154052144 has 60 divisors (see below), whose sum is σ = 316941768. Its totient is φ = 72495360.
The previous prime is 154052131. The next prime is 154052149. The reversal of 154052144 is 441250451.
It is not an unprimeable number, because it can be changed into a prime (154052149) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661052 + ... + 661284.
Almost surely, 2154052144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154052144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158470884).
154052144 is an abundant number, since it is smaller than the sum of its proper divisors (162889624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154052144 is a wasteful number, since it uses less digits than its factorization.
154052144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 154052144 is about 12411.7744098094. The cubic root of 154052144 is about 536.0713315626.
The spelling of 154052144 in words is "one hundred fifty-four million, fifty-two thousand, one hundred forty-four".
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