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42842648 = 237967789
BaseRepresentation
bin1010001101101…
…1101000011000
32222121122001202
42203123220120
541431431043
64130133332
71030104452
oct243335030
988548052
1042842648
1122202352
1212421248
138b506a4
1459932d2
153b641b8
hex28dba18

42842648 has 16 divisors (see below), whose sum is σ = 81348000. Its totient is φ = 21149856.

The previous prime is 42842647. The next prime is 42842687. The reversal of 42842648 is 84624824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42842647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33263 + ... + 34526.

It is an arithmetic number, because the mean of its divisors is an integer number (5084250).

Almost surely, 242842648 is an apocalyptic number.

It is an amenable number.

42842648 is a deficient number, since it is larger than the sum of its proper divisors (38505352).

42842648 is a wasteful number, since it uses less digits than its factorization.

42842648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67874 (or 67870 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 42842648 is about 6545.4295504573. The cubic root of 42842648 is about 349.9119451955.

The spelling of 42842648 in words is "forty-two million, eight hundred forty-two thousand, six hundred forty-eight".

Divisors: 1 2 4 8 79 158 316 632 67789 135578 271156 542312 5355331 10710662 21421324 42842648