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6205728 = 253127509
BaseRepresentation
bin10111101011000100100000
3102200021122210
4113223010200
53042040403
6341002120
7103514334
oct27530440
912607583
106205728
113559501
1220b3340
131393839
14b777c4
15828b03
hex5eb120

6205728 has 48 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 2048256.

The previous prime is 6205711. The next prime is 6205747. The reversal of 6205728 is 8275026.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×62057282 = 77022120019968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6205695 and 6205704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11938 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 26205728 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 6205728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8225280).

6205728 is an abundant number, since it is smaller than the sum of its proper divisors (10244832).

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

6205728 is a wasteful number, since it uses less digits than its factorization.

6205728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 6205728 is about 2491.1298641380. The cubic root of 6205728 is about 183.7656120753.

The spelling of 6205728 in words is "six million, two hundred five thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 127 254 381 508 509 762 1016 1018 1524 1527 2032 2036 3048 3054 4064 4072 6096 6108 8144 12192 12216 16288 24432 48864 64643 129286 193929 258572 387858 517144 775716 1034288 1551432 2068576 3102864 6205728