Base | Representation |
---|---|
bin | 101011110111110… |
… | …0000110000010000 |
3 | 10210120222001010212 |
4 | 1113233200300100 |
5 | 11003322311340 |
6 | 402023343252 |
7 | 51323261126 |
oct | 12757406020 |
9 | 3716861125 |
10 | 1472072720 |
11 | 695a46028 |
12 | 350bb1b28 |
13 | 1a5c94861 |
14 | dd713916 |
15 | 8937ea65 |
hex | 57be0c10 |
1472072720 has 20 divisors (see below), whose sum is σ = 3422569260. Its totient is φ = 588829056.
The previous prime is 1472072681. The next prime is 1472072731. The reversal of 1472072720 is 272702741.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 277955584 + 1194117136 = 16672^2 + 34556^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9200375 + ... + 9200534.
It is an arithmetic number, because the mean of its divisors is an integer number (171128463).
Almost surely, 21472072720 is an apocalyptic number.
1472072720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1472072720 is an abundant number, since it is smaller than the sum of its proper divisors (1950496540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1472072720 is a wasteful number, since it uses less digits than its factorization.
1472072720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18400922 (or 18400916 counting only the distinct ones).
The product of its (nonzero) digits is 10976, while the sum is 32.
The square root of 1472072720 is about 38367.5998728093. The cubic root of 1472072720 is about 1137.5655240603.
The spelling of 1472072720 in words is "one billion, four hundred seventy-two million, seventy-two thousand, seven hundred twenty".
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