Base | Representation |
---|---|
bin | 10000101101111… |
… | …01100101100000 |
3 | 100202212210012121 |
4 | 20112331211200 |
5 | 241400042102 |
6 | 21525434024 |
7 | 3321665446 |
oct | 1026754540 |
9 | 322783177 |
10 | 140237152 |
11 | 72184280 |
12 | 3ab6b914 |
13 | 23091283 |
14 | 148a6b96 |
15 | c4a1b37 |
hex | 85bd960 |
140237152 has 48 divisors (see below), whose sum is σ = 306914832. Its totient is φ = 62533120.
The previous prime is 140237117. The next prime is 140237221. The reversal of 140237152 is 251732041.
It is a happy number.
It is a super-2 number, since 2×1402371522 = 39332917602142208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14898 + ... + 22414.
It is an arithmetic number, because the mean of its divisors is an integer number (6394059).
Almost surely, 2140237152 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 140237152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153457416).
140237152 is an abundant number, since it is smaller than the sum of its proper divisors (166677680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140237152 is a wasteful number, since it uses less digits than its factorization.
140237152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7591 (or 7583 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 140237152 is about 11842.1768269183. The cubic root of 140237152 is about 519.5424377332.
Adding to 140237152 its reverse (251732041), we get a palindrome (391969193).
The spelling of 140237152 in words is "one hundred forty million, two hundred thirty-seven thousand, one hundred fifty-two".
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