Base | Representation |
---|---|
bin | 10010011011000… |
… | …10001000100110 |
3 | 101202210120122010 |
4 | 21031202020212 |
5 | 304030331010 |
6 | 23200215050 |
7 | 3554406414 |
oct | 1115421046 |
9 | 352716563 |
10 | 154542630 |
11 | 7a265190 |
12 | 4390a486 |
13 | 2602c758 |
14 | 1674c2b4 |
15 | d87a620 |
hex | 9362226 |
154542630 has 64 divisors (see below), whose sum is σ = 407109888. Its totient is φ = 37234560.
The previous prime is 154542629. The next prime is 154542643. The reversal of 154542630 is 36245451.
154542630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55737 + ... + 58443.
It is an arithmetic number, because the mean of its divisors is an integer number (6361092).
Almost surely, 2154542630 is an apocalyptic number.
154542630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 154542630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203554944).
154542630 is an abundant number, since it is smaller than the sum of its proper divisors (252567258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154542630 is a wasteful number, since it uses less digits than its factorization.
154542630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2901.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 154542630 is about 12431.5176064711. The cubic root of 154542630 is about 536.6396606054.
The spelling of 154542630 in words is "one hundred fifty-four million, five hundred forty-two thousand, six hundred thirty".
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