Base | Representation |
---|---|
bin | 10110001001111… |
… | …000011100100101 |
3 | 221220101202210122 |
4 | 112021320130211 |
5 | 1230123024003 |
6 | 100514331325 |
7 | 12132210065 |
oct | 2611703445 |
9 | 856352718 |
10 | 371689253 |
11 | 180899701 |
12 | a4589b45 |
13 | 5c00b490 |
14 | 375153a5 |
15 | 22970238 |
hex | 16278725 |
371689253 has 8 divisors (see below), whose sum is σ = 400452696. Its totient is φ = 342950400.
The previous prime is 371689211. The next prime is 371689261. The reversal of 371689253 is 352986173.
It can be written as a sum of positive squares in 4 ways, for example, as 25989604 + 345699649 = 5098^2 + 18593^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 371689253 - 28 = 371688997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (371689273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35993 + ... + 45153.
It is an arithmetic number, because the mean of its divisors is an integer number (50056587).
Almost surely, 2371689253 is an apocalyptic number.
It is an amenable number.
371689253 is a deficient number, since it is larger than the sum of its proper divisors (28763443).
371689253 is a wasteful number, since it uses less digits than its factorization.
371689253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12295.
The product of its digits is 272160, while the sum is 44.
The square root of 371689253 is about 19279.2440982524. The cubic root of 371689253 is about 718.9963207868.
The spelling of 371689253 in words is "three hundred seventy-one million, six hundred eighty-nine thousand, two hundred fifty-three".
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