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205023832 = 231319313347
BaseRepresentation
bin11000011100001…
…10101001011000
3112021210021211021
430032012221120
5404441230312
632202212224
75036450056
oct1416065130
9467707737
10205023832
11a5804492
12587b4074
1333625ba0
141d32d1d6
1512eecc07
hexc386a58

205023832 has 64 divisors (see below), whose sum is σ = 449971200. Its totient is φ = 86728320.

The previous prime is 205023803. The next prime is 205023853. The reversal of 205023832 is 238320502.

It is a junction number, because it is equal to n+sod(n) for n = 205023797 and 205023806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59583 + ... + 62929.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2205023832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205023832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224985600).

205023832 is an abundant number, since it is smaller than the sum of its proper divisors (244947368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205023832 is a wasteful number, since it uses less digits than its factorization.

205023832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 205023832 is about 14318.6532886302. The cubic root of 205023832 is about 589.6597022588.

The spelling of 205023832 in words is "two hundred five million, twenty-three thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 13 19 26 31 38 52 62 76 104 124 152 247 248 403 494 589 806 988 1178 1612 1976 2356 3224 3347 4712 6694 7657 13388 15314 26776 30628 43511 61256 63593 87022 103757 127186 174044 207514 254372 348088 415028 508744 826709 830056 1348841 1653418 1971383 2697682 3306836 3942766 5395364 6613672 7885532 10790728 15771064 25627979 51255958 102511916 205023832