Base | Representation |
---|---|
bin | 10010001011110… |
… | …01111110100110 |
3 | 101122000222212000 |
4 | 21011321332212 |
5 | 303022340032 |
6 | 23045310130 |
7 | 3531411123 |
oct | 1105717646 |
9 | 348028760 |
10 | 152543142 |
11 | 79119a14 |
12 | 43105346 |
13 | 257ac61b |
14 | 1638b74a |
15 | d5d2e7c |
hex | 9179fa6 |
152543142 has 32 divisors (see below), whose sum is σ = 358927200. Its totient is φ = 47856384.
The previous prime is 152543123. The next prime is 152543173. The reversal of 152543142 is 241345251.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82167 + ... + 84002.
It is an arithmetic number, because the mean of its divisors is an integer number (11216475).
Almost surely, 2152543142 is an apocalyptic number.
152543142 is an abundant number, since it is smaller than the sum of its proper divisors (206384058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152543142 is a wasteful number, since it uses less digits than its factorization.
152543142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166197 (or 166191 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 152543142 is about 12350.8356802283. The cubic root of 152543142 is about 534.3152412091.
Adding to 152543142 its reverse (241345251), we get a palindrome (393888393).
The spelling of 152543142 in words is "one hundred fifty-two million, five hundred forty-three thousand, one hundred forty-two".
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