Base | Representation |
---|---|
bin | 10010011000000… |
… | …00101010101001 |
3 | 101202001021222212 |
4 | 21030000222221 |
5 | 303430042101 |
6 | 23143454505 |
7 | 3551124446 |
oct | 1114005251 |
9 | 352037885 |
10 | 154143401 |
11 | 7a012245 |
12 | 43757435 |
13 | 25c1cb19 |
14 | 166869cd |
15 | d7ec1bb |
hex | 9300aa9 |
154143401 has 16 divisors (see below), whose sum is σ = 164656128. Its totient is φ = 143985600.
The previous prime is 154143397. The next prime is 154143419. The reversal of 154143401 is 104341451.
It is a cyclic number.
It is not a de Polignac number, because 154143401 - 22 = 154143397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (154143421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253640 + ... + 254246.
It is an arithmetic number, because the mean of its divisors is an integer number (10291008).
Almost surely, 2154143401 is an apocalyptic number.
It is an amenable number.
154143401 is a deficient number, since it is larger than the sum of its proper divisors (10512727).
154143401 is a wasteful number, since it uses less digits than its factorization.
154143401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 872.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 154143401 is about 12415.4500925258. The cubic root of 154143401 is about 536.1771628386.
Adding to 154143401 its reverse (104341451), we get a palindrome (258484852).
The spelling of 154143401 in words is "one hundred fifty-four million, one hundred forty-three thousand, four hundred one".
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