Base | Representation |
---|---|
bin | 111010001111110… |
… | …0011010000110000 |
3 | 12001012121020010110 |
4 | 1310133203100300 |
5 | 13000313143302 |
6 | 521534101320 |
7 | 66301235451 |
oct | 16437432060 |
9 | 5035536113 |
10 | 1954427952 |
11 | 913250714 |
12 | 46664a840 |
13 | 251bac559 |
14 | 1477d5128 |
15 | b68aeb6c |
hex | 747e3430 |
1954427952 has 20 divisors (see below), whose sum is σ = 5048939000. Its totient is φ = 651475968.
The previous prime is 1954427941. The next prime is 1954427963. The reversal of 1954427952 is 2597244591.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1954427941) and next prime (1954427963).
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 40717249 = 1954427952 / (1 + 9 + 5 + 4 + 4 + 2 + 7 + 9 + 5 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20358577 + ... + 20358672.
It is an arithmetic number, because the mean of its divisors is an integer number (252446950).
Almost surely, 21954427952 is an apocalyptic number.
1954427952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1954427952 is an abundant number, since it is smaller than the sum of its proper divisors (3094511048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1954427952 is a wasteful number, since it uses less digits than its factorization.
1954427952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40717260 (or 40717254 counting only the distinct ones).
The product of its digits is 907200, while the sum is 48.
The square root of 1954427952 is about 44208.9125855862. The cubic root of 1954427952 is about 1250.2779013054.
The spelling of 1954427952 in words is "one billion, nine hundred fifty-four million, four hundred twenty-seven thousand, nine hundred fifty-two".
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