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255328623 = 321123311069
BaseRepresentation
bin11110011100000…
…00000101101111
3122210110001000200
433032000011233
51010331003443
641200324543
76220154214
oct1716000557
9583401020
10255328623
111211431a0
1271613753
1340b89c34
1425ca5b0b
1517637dd3
hexf38016f

255328623 has 24 divisors (see below), whose sum is σ = 404099280. Its totient is φ = 154066560.

The previous prime is 255328621. The next prime is 255328637. The reversal of 255328623 is 326823552.

255328623 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 28 + 623 = 666.

255328623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255328623 - 21 = 255328621 is a prime.

It is a super-2 number, since 2×2553286232 = 130385411446152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255328621) 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, 17533 + ... + 28601.

It is an arithmetic number, because the mean of its divisors is an integer number (16837470).

Almost surely, 2255328623 is an apocalyptic number.

255328623 is a deficient number, since it is larger than the sum of its proper divisors (148770657).

255328623 is a wasteful number, since it uses less digits than its factorization.

255328623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11319 (or 11316 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 255328623 is about 15979.0056949736. The cubic root of 255328623 is about 634.4048595488.

The spelling of 255328623 in words is "two hundred fifty-five million, three hundred twenty-eight thousand, six hundred twenty-three".

Divisors: 1 3 9 11 33 99 233 699 2097 2563 7689 11069 23067 33207 99621 121759 365277 1095831 2579077 7737231 23211693 28369847 85109541 255328623