Base | Representation |
---|---|
bin | 101011001101101… |
… | …1110010000100000 |
3 | 10202001111210020002 |
4 | 1112123132100200 |
5 | 10432202324100 |
6 | 355515235132 |
7 | 50635104602 |
oct | 12633362040 |
9 | 3661453202 |
10 | 1450042400 |
11 | 684569354 |
12 | 345748aa8 |
13 | 1a1550271 |
14 | da81b172 |
15 | 8747c2d5 |
hex | 566de420 |
1450042400 has 36 divisors (see below), whose sum is σ = 3539917962. Its totient is φ = 580016640.
The previous prime is 1450042381. The next prime is 1450042403. The reversal of 1450042400 is 42400541.
It can be written as a sum of positive squares in 3 ways, for example, as 1175941264 + 274101136 = 34292^2 + 16556^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (1450042403) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 905477 + ... + 907076.
Almost surely, 21450042400 is an apocalyptic number.
1450042400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1450042400 is an abundant number, since it is smaller than the sum of its proper divisors (2089875562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1450042400 is a wasteful number, since it uses less digits than its factorization.
1450042400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812573 (or 1812560 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 1450042400 is about 38079.4222645250. The cubic root of 1450042400 is about 1131.8622281521.
Adding to 1450042400 its reverse (42400541), we get a palindrome (1492442941).
The spelling of 1450042400 in words is "one billion, four hundred fifty million, forty-two thousand, four hundred".
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