Base | Representation |
---|---|
bin | 10010011001100… |
… | …01011000100000 |
3 | 101202102102201100 |
4 | 21030301120200 |
5 | 304002433234 |
6 | 23152034400 |
7 | 3552615300 |
oct | 1114613040 |
9 | 352372640 |
10 | 154342944 |
11 | 7a139158 |
12 | 43832a00 |
13 | 25c8c8b2 |
14 | 166d9600 |
15 | d83b399 |
hex | 9331620 |
154342944 has 108 divisors (see below), whose sum is σ = 510618654. Its totient is φ = 44093952.
The previous prime is 154342933. The next prime is 154342963. The reversal of 154342944 is 449243451.
It can be written as a sum of positive squares in only one way, i.e., 93315600 + 61027344 = 9660^2 + 7812^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 154342899 and 154342908.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8644 + ... + 19580.
Almost surely, 2154342944 is an apocalyptic number.
154342944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154342944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255309327).
154342944 is an abundant number, since it is smaller than the sum of its proper divisors (356275710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154342944 is a wasteful number, since it uses less digits than its factorization.
154342944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10967 (or 10949 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 154342944 is about 12423.4835694341. The cubic root of 154342944 is about 536.4084285836.
The spelling of 154342944 in words is "one hundred fifty-four million, three hundred forty-two thousand, nine hundred forty-four".
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