Base | Representation |
---|---|
bin | 101010011110100… |
… | …0111100011100000 |
3 | 10200022222010211110 |
4 | 1110331013203200 |
5 | 10404334322442 |
6 | 353233143320 |
7 | 50214626352 |
oct | 12475074340 |
9 | 3608863743 |
10 | 1425307872 |
11 | 67160499a |
12 | 3393bab40 |
13 | 19939cb51 |
14 | d741d0d2 |
15 | 851e369c |
hex | 54f478e0 |
1425307872 has 96 divisors (see below), whose sum is σ = 3822432768. Its totient is φ = 464930816.
The previous prime is 1425307847. The next prime is 1425307927. The reversal of 1425307872 is 2787035241.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 1425307872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899593 + ... + 901175.
It is an arithmetic number, because the mean of its divisors is an integer number (39817008).
Almost surely, 21425307872 is an apocalyptic number.
1425307872 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 1425307872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911216384).
1425307872 is an abundant number, since it is smaller than the sum of its proper divisors (2397124896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1425307872 is a wasteful number, since it uses less digits than its factorization.
1425307872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1792 (or 1784 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 1425307872 is about 37753.2498203797. The cubic root of 1425307872 is about 1125.3895926716.
The spelling of 1425307872 in words is "one billion, four hundred twenty-five million, three hundred seven thousand, eight hundred seventy-two".
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