Base | Representation |
---|---|
bin | 1111000010100… |
… | …00001010110010 |
3 | 22210101110112122 |
4 | 13201100022302 |
5 | 224244014430 |
6 | 20303554242 |
7 | 3061215044 |
oct | 741201262 |
9 | 283343478 |
10 | 126157490 |
11 | 65237a98 |
12 | 362bb982 |
13 | 201a1804 |
14 | 12a7da94 |
15 | b11eee5 |
hex | 78502b2 |
126157490 has 32 divisors (see below), whose sum is σ = 233715456. Its totient is φ = 49008960.
The previous prime is 126157489. The next prime is 126157501. The reversal of 126157490 is 94751621.
It is a self number, because there is not a number n which added to its sum of digits gives 126157490.
It is an unprimeable number.
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, 53435 + ... + 55745.
It is an arithmetic number, because the mean of its divisors is an integer number (7303608).
Almost surely, 2126157490 is an apocalyptic number.
126157490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
126157490 is a deficient number, since it is larger than the sum of its proper divisors (107557966).
126157490 is a wasteful number, since it uses less digits than its factorization.
126157490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2474.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 126157490 is about 11231.9851317565. The cubic root of 126157490 is about 501.5385806827.
The spelling of 126157490 in words is "one hundred twenty-six million, one hundred fifty-seven thousand, four hundred ninety".
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