| Base | Representation |
|---|---|
| bin | 101001110111111… |
| … | …0111011010100000 |
| 3 | 10121220212021102000 |
| 4 | 1103233313122200 |
| 5 | 10334143303142 |
| 6 | 351231124000 |
| 7 | 46550533065 |
| oct | 12357673240 |
| 9 | 3556767360 |
| 10 | 1405056672 |
| 11 | 661132968 |
| 12 | 332673600 |
| 13 | 19512c2a6 |
| 14 | d486ac6c |
| 15 | 8354314c |
| hex | 53bf76a0 |
1405056672 has 96 divisors (see below), whose sum is σ = 4105805760. Its totient is φ = 467470080.
The previous prime is 1405056649. The next prime is 1405056673. The reversal of 1405056672 is 2766505041.
It is a happy number.
1405056672 is a `hidden beast` number, since 1 + 40 + 50 + 566 + 7 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1405056673) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588922 + ... + 591302.
It is an arithmetic number, because the mean of its divisors is an integer number (42768810).
Almost surely, 21405056672 is an apocalyptic number.
1405056672 is a gapful number since it is divisible by the number (12) 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 1405056672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052902880).
1405056672 is an abundant number, since it is smaller than the sum of its proper divisors (2700749088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1405056672 is a wasteful number, since it uses less digits than its factorization.
1405056672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3083 (or 3069 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 1405056672 is about 37484.0855830845. The cubic root of 1405056672 is about 1120.0341911331.
The spelling of 1405056672 in words is "one billion, four hundred five million, fifty-six thousand, six hundred seventy-two".
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