Base | Representation |
---|---|
bin | 111000110110000… |
… | …1111000001010000 |
3 | 11220221011001002000 |
4 | 1301230033001100 |
5 | 12401244440024 |
6 | 513134354000 |
7 | 65160545640 |
oct | 16154170120 |
9 | 4827131060 |
10 | 1907421264 |
11 | 899764911 |
12 | 45295b900 |
13 | 245231748 |
14 | 14147a520 |
15 | b26c6cc9 |
hex | 71b0f050 |
1907421264 has 160 divisors (see below), whose sum is σ = 6273408000. Its totient is φ = 543563136.
The previous prime is 1907421247. The next prime is 1907421283. The reversal of 1907421264 is 4621247091.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1871347 + ... + 1872365.
It is an arithmetic number, because the mean of its divisors is an integer number (39208800).
Almost surely, 21907421264 is an apocalyptic number.
1907421264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1907421264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3136704000).
1907421264 is an abundant number, since it is smaller than the sum of its proper divisors (4365986736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1907421264 is a wasteful number, since it uses less digits than its factorization.
1907421264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1662 (or 1650 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 1907421264 is about 43674.0342079822. The cubic root of 1907421264 is about 1240.1728132369.
The spelling of 1907421264 in words is "one billion, nine hundred seven million, four hundred twenty-one thousand, two hundred sixty-four".
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