Base | Representation |
---|---|
bin | 1000101000011… |
… | …00001000110100 |
3 | 12001020101010120 |
4 | 10110030020310 |
5 | 122013321320 |
6 | 11103451540 |
7 | 1536254655 |
oct | 424141064 |
9 | 161211116 |
10 | 72401460 |
11 | 3796131a |
12 | 202b6bb0 |
13 | 11ccc901 |
14 | 988952c |
15 | 6552440 |
hex | 450c234 |
72401460 has 24 divisors (see below), whose sum is σ = 202724256. Its totient is φ = 19307040.
The previous prime is 72401431. The next prime is 72401471. The reversal of 72401460 is 6410427.
It is a self number, because there is not a number n which added to its sum of digits gives 72401460.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603286 + ... + 603405.
It is an arithmetic number, because the mean of its divisors is an integer number (8446844).
Almost surely, 272401460 is an apocalyptic number.
It is an amenable number.
72401460 is an abundant number, since it is smaller than the sum of its proper divisors (130322796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72401460 is a wasteful number, since it uses less digits than its factorization.
72401460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1206703 (or 1206701 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 72401460 is about 8508.9047473808. The cubic root of 72401460 is about 416.7885453237.
Adding to 72401460 its reverse (6410427), we get a palindrome (78811887).
The spelling of 72401460 in words is "seventy-two million, four hundred one thousand, four hundred sixty".
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