Base | Representation |
---|---|
bin | 1110010100100… |
… | …11101010001000 |
3 | 22101001212111012 |
4 | 13022103222020 |
5 | 221224024342 |
6 | 15531023052 |
7 | 2656123412 |
oct | 712235210 |
9 | 271055435 |
10 | 120142472 |
11 | 618a98aa |
12 | 3429aa88 |
13 | 1bb76a28 |
14 | 11d559b2 |
15 | a832b82 |
hex | 7293a88 |
120142472 has 32 divisors (see below), whose sum is σ = 238593600. Its totient is φ = 56556864.
The previous prime is 120142427. The next prime is 120142493. The reversal of 120142472 is 274241021.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23018 + ... + 27750.
It is an arithmetic number, because the mean of its divisors is an integer number (7456050).
Almost surely, 2120142472 is an apocalyptic number.
It is an amenable number.
120142472 is a deficient number, since it is larger than the sum of its proper divisors (118451128).
120142472 is a wasteful number, since it uses less digits than its factorization.
120142472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4925 (or 4921 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 120142472 is about 10960.9521484221. The cubic root of 120142472 is about 493.4375410901.
Adding to 120142472 its reverse (274241021), we get a palindrome (394383493).
The spelling of 120142472 in words is "one hundred twenty million, one hundred forty-two thousand, four hundred seventy-two".
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