Search a number
-
+
331863125 = 541148271
BaseRepresentation
bin10011110001111…
…101010001010101
3212010110101121212
4103301331101111
51134424110000
652532551205
711136534656
oct2361752125
9763411555
10331863125
11160367750
1293182505
13539a5b19
143210952d
151e204c35
hex13c7d455

331863125 has 20 divisors (see below), whose sum is σ = 452405184. Its totient is φ = 241350000.

The previous prime is 331863083. The next prime is 331863151. The reversal of 331863125 is 521368133.

It is not a de Polignac number, because 331863125 - 212 = 331859029 is a prime.

It is a super-2 number, since 2×3318631252 = 220266267469531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331863091 and 331863100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17261 + ... + 31010.

Almost surely, 2331863125 is an apocalyptic number.

It is an amenable number.

331863125 is a deficient number, since it is larger than the sum of its proper divisors (120542059).

331863125 is an equidigital number, since it uses as much as digits as its factorization.

331863125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48302 (or 48287 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 331863125 is about 18217.1107753123. The cubic root of 331863125 is about 692.3403864348.

The spelling of 331863125 in words is "three hundred thirty-one million, eight hundred sixty-three thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 625 1375 6875 48271 241355 530981 1206775 2654905 6033875 13274525 30169375 66372625 331863125