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6557242 = 219434013
BaseRepresentation
bin11001000000111000111010
3110100010211211
4121000320322
53134312432
6352313334
7106510216
oct31007072
913303754
106557242
11377960a
12224284a
131487833
14c29946
15897d47
hex640e3a

6557242 has 16 divisors (see below), whose sum is σ = 10596960. Its totient is φ = 3033072.

The previous prime is 6557233. The next prime is 6557279. The reversal of 6557242 is 2427556.

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, 373 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (662310).

Almost surely, 26557242 is an apocalyptic number.

6557242 is a deficient number, since it is larger than the sum of its proper divisors (4039718).

6557242 is a wasteful number, since it uses less digits than its factorization.

6557242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its digits is 16800, while the sum is 31.

The square root of 6557242 is about 2560.7112293267. The cubic root of 6557242 is about 187.1717944270.

The spelling of 6557242 in words is "six million, five hundred fifty-seven thousand, two hundred forty-two".

Divisors: 1 2 19 38 43 86 817 1634 4013 8026 76247 152494 172559 345118 3278621 6557242