Base | Representation |
---|---|
bin | 1001011110110111… |
… | …1011101010000110 |
3 | 20120101121201222220 |
4 | 2113231323222012 |
5 | 20203110303304 |
6 | 1100324433210 |
7 | 120035355402 |
oct | 22755735206 |
9 | 6511551886 |
10 | 2545400454 |
11 | 10968a3043 |
12 | 5b0548806 |
13 | 31746711c |
14 | 1a20ac102 |
15 | ed6e7ad9 |
hex | 97b7ba86 |
2545400454 has 8 divisors (see below), whose sum is σ = 5090800920. Its totient is φ = 848466816.
The previous prime is 2545400411. The next prime is 2545400467. The reversal of 2545400454 is 4540045452.
It is a sphenic number, since it is the product of 3 distinct primes.
2545400454 is an admirable number.
It is a super-3 number, since 3×25454004543 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212116699 + ... + 212116710.
It is an arithmetic number, because the mean of its divisors is an integer number (636350115).
Almost surely, 22545400454 is an apocalyptic number.
2545400454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2545400454 is a wasteful number, since it uses less digits than its factorization.
2545400454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424233414.
The product of its (nonzero) digits is 64000, while the sum is 33.
The square root of 2545400454 is about 50451.9618449075. The cubic root of 2545400454 is about 1365.3752905482.
The spelling of 2545400454 in words is "two billion, five hundred forty-five million, four hundred thousand, four hundred fifty-four".
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