Base | Representation |
---|---|
bin | 1000101000001… |
… | …00110100011100 |
3 | 12001011212000100 |
4 | 10110010310130 |
5 | 122011341414 |
6 | 11103101100 |
7 | 1536101403 |
oct | 424046434 |
9 | 161155010 |
10 | 72371484 |
11 | 37940849 |
12 | 202a1790 |
13 | 11cbc083 |
14 | 987c63a |
15 | 6548609 |
hex | 4504d1c |
72371484 has 36 divisors (see below), whose sum is σ = 188843200. Its totient is φ = 23345280.
The previous prime is 72371477. The next prime is 72371521. The reversal of 72371484 is 48417327.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31309 + ... + 33540.
Almost surely, 272371484 is an apocalyptic number.
It is an amenable number.
72371484 is an abundant number, since it is smaller than the sum of its proper divisors (116471716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72371484 is a wasteful number, since it uses less digits than its factorization.
72371484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64890 (or 64885 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 72371484 is about 8507.1431162289. The cubic root of 72371484 is about 416.7310171189.
The spelling of 72371484 in words is "seventy-two million, three hundred seventy-one thousand, four hundred eighty-four".
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