Base | Representation |
---|---|
bin | 1100110110000… |
… | …10100000001110 |
3 | 21111202100012000 |
4 | 12123002200032 |
5 | 210041021223 |
6 | 14405253130 |
7 | 2445605064 |
oct | 633024016 |
9 | 244670160 |
10 | 107751438 |
11 | 55906283 |
12 | 301041a6 |
13 | 19428a62 |
14 | 1044c034 |
15 | 96d6543 |
hex | 66c280e |
107751438 has 32 divisors (see below), whose sum is σ = 243972000. Its totient is φ = 35238528.
The previous prime is 107751419. The next prime is 107751439. The reversal of 107751438 is 834157701.
107751438 is a `hidden beast` number, since 107 + 7 + 514 + 38 = 666.
It is a super-2 number, since 2×1077514382 = 23220744782135688, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107751439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15963 + ... + 21686.
It is an arithmetic number, because the mean of its divisors is an integer number (7624125).
Almost surely, 2107751438 is an apocalyptic number.
107751438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
107751438 is an abundant number, since it is smaller than the sum of its proper divisors (136220562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
107751438 is a wasteful number, since it uses less digits than its factorization.
107751438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37713 (or 37707 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 107751438 is about 10380.3390118050. The cubic root of 107751438 is about 475.8546946025.
The spelling of 107751438 in words is "one hundred seven million, seven hundred fifty-one thousand, four hundred thirty-eight".
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