Base | Representation |
---|---|
bin | 101011010000000… |
… | …0101110100110000 |
3 | 10202010210021220121 |
4 | 1112200011310300 |
5 | 10433010044130 |
6 | 400001220024 |
7 | 50651306266 |
oct | 12640056460 |
9 | 3663707817 |
10 | 1451253040 |
11 | 685215986 |
12 | 346031614 |
13 | 1a1885313 |
14 | daa54436 |
15 | 8761ad7a |
hex | 56805d30 |
1451253040 has 40 divisors (see below), whose sum is σ = 3375810720. Its totient is φ = 580217856.
The previous prime is 1451253019. The next prime is 1451253047. The reversal of 1451253040 is 403521541.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×14512530402 = 4212270772218483200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1451252996 and 1451253014.
It is not an unprimeable number, because it can be changed into a prime (1451253047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254541 + ... + 260179.
It is an arithmetic number, because the mean of its divisors is an integer number (84395268).
Almost surely, 21451253040 is an apocalyptic number.
1451253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1451253040 is an abundant number, since it is smaller than the sum of its proper divisors (1924557680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1451253040 is a wasteful number, since it uses less digits than its factorization.
1451253040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8869 (or 8863 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 1451253040 is about 38095.3151975410. The cubic root of 1451253040 is about 1132.1771376832.
Adding to 1451253040 its reverse (403521541), we get a palindrome (1854774581).
The spelling of 1451253040 in words is "one billion, four hundred fifty-one million, two hundred fifty-three thousand, forty".
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