| Base | Representation |
|---|---|
| bin | 101011010101101… |
| … | …1000101011010000 |
| 3 | 10202100100201100212 |
| 4 | 1112223120223100 |
| 5 | 10434234320330 |
| 6 | 400144503252 |
| 7 | 51015420332 |
| oct | 12653305320 |
| 9 | 3670321325 |
| 10 | 1454213840 |
| 11 | 686958422 |
| 12 | 34701ab28 |
| 13 | 1a2380b81 |
| 14 | db1c5452 |
| 15 | 87a03295 |
| hex | 56ad8ad0 |
1454213840 has 80 divisors (see below), whose sum is σ = 3464778240. Its totient is φ = 567367680.
The previous prime is 1454213821. The next prime is 1454213851. The reversal of 1454213840 is 483124541.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-3 number, since 3×14542138403 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 1454213797 and 1454213806.
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, 1650200 + ... + 1651080.
It is an arithmetic number, because the mean of its divisors is an integer number (43309728).
Almost surely, 21454213840 is an apocalyptic number.
1454213840 is a gapful number since it is divisible by the number (10) 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 1454213840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732389120).
1454213840 is an abundant number, since it is smaller than the sum of its proper divisors (2010564400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1454213840 is a wasteful number, since it uses less digits than its factorization.
1454213840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1380 (or 1374 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 1454213840 is about 38134.1558186359. The cubic root of 1454213840 is about 1132.9465585233.
It can be divided in two parts, 14542 and 13840, that added together give a palindrome (28382).
The spelling of 1454213840 in words is "one billion, four hundred fifty-four million, two hundred thirteen thousand, eight hundred forty".
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