Base | Representation |
---|---|
bin | 101011111000000… |
… | …1000011100101101 |
3 | 10210121021022011200 |
4 | 1113300020130231 |
5 | 11003343012214 |
6 | 402031040113 |
7 | 51324536136 |
oct | 12760103455 |
9 | 3717238150 |
10 | 1472235309 |
11 | 6960471a6 |
12 | 351070039 |
13 | 1a602086c |
14 | dd756c8d |
15 | 893b2d09 |
hex | 57c0872d |
1472235309 has 24 divisors (see below), whose sum is σ = 2256646392. Its totient is φ = 921707520.
The previous prime is 1472235307. The next prime is 1472235337. The reversal of 1472235309 is 9035322741.
It can be written as a sum of positive squares in 4 ways, for example, as 181845225 + 1290390084 = 13485^2 + 35922^2 .
It is not a de Polignac number, because 1472235309 - 21 = 1472235307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1472235301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60097 + ... + 80969.
It is an arithmetic number, because the mean of its divisors is an integer number (94026933).
Almost surely, 21472235309 is an apocalyptic number.
It is an amenable number.
1472235309 is a deficient number, since it is larger than the sum of its proper divisors (784411083).
1472235309 is a wasteful number, since it uses less digits than its factorization.
1472235309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21357 (or 21354 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 1472235309 is about 38369.7186463492. The cubic root of 1472235309 is about 1137.6074035204.
The spelling of 1472235309 in words is "one billion, four hundred seventy-two million, two hundred thirty-five thousand, three hundred nine".
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