Base | Representation |
---|---|
bin | 1111001000000… |
… | …10010001011100 |
3 | 22211202112020200 |
4 | 13210002101130 |
5 | 224440341004 |
6 | 20331343500 |
7 | 3100343646 |
oct | 744022134 |
9 | 284675220 |
10 | 126887004 |
11 | 656960a2 |
12 | 365b1b90 |
13 | 2039888a |
14 | 12bcd896 |
15 | b216239 |
hex | 790245c |
126887004 has 36 divisors (see below), whose sum is σ = 321200880. Its totient is φ = 42235200.
The previous prime is 126887003. The next prime is 126887029. The reversal of 126887004 is 400788621.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1268870042 = 32200623568192032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 126887004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126887003) 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 11 ways as a sum of consecutive naturals, for example, 28104 + ... + 32304.
Almost surely, 2126887004 is an apocalyptic number.
It is an amenable number.
126887004 is an abundant number, since it is smaller than the sum of its proper divisors (194313876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126887004 is a wasteful number, since it uses less digits than its factorization.
126887004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5050 (or 5045 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 126887004 is about 11264.4131671384. The cubic root of 126887004 is about 502.5034498909.
The spelling of 126887004 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, four".
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