Base | Representation |
---|---|
bin | 1110010110001… |
… | …01000010100110 |
3 | 22101110010221200 |
4 | 13023011002212 |
5 | 221302012432 |
6 | 15535223330 |
7 | 2660625210 |
oct | 713050246 |
9 | 271403850 |
10 | 120344742 |
11 | 61a27871 |
12 | 34377b46 |
13 | 1bc17b0b |
14 | 11da95b0 |
15 | a872a7c |
hex | 72c50a6 |
120344742 has 48 divisors (see below), whose sum is σ = 298671360. Its totient is φ = 34306416.
The previous prime is 120344737. The next prime is 120344747. The reversal of 120344742 is 247443021.
It is an interprime number because it is at equal distance from previous prime (120344737) and next prime (120344747).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120344747) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77223 + ... + 78765.
It is an arithmetic number, because the mean of its divisors is an integer number (6222320).
Almost surely, 2120344742 is an apocalyptic number.
120344742 is an abundant number, since it is smaller than the sum of its proper divisors (178326618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120344742 is a wasteful number, since it uses less digits than its factorization.
120344742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2177 (or 2174 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
The square root of 120344742 is about 10970.1751125495. The cubic root of 120344742 is about 493.7143004259.
Adding to 120344742 its reverse (247443021), we get a palindrome (367787763).
The spelling of 120344742 in words is "one hundred twenty million, three hundred forty-four thousand, seven hundred forty-two".
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