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42810248 = 2313411637
BaseRepresentation
bin1010001101001…
…1101110001000
32222112222121202
42203103232020
541424411443
64125323332
71026611135
oct243235610
988488552
1042810248
112218aa78
1212406548
138b3ba10
14598558c
153b597b8
hex28d3b88

42810248 has 16 divisors (see below), whose sum is σ = 86443980. Its totient is φ = 19758528.

The previous prime is 42810181. The next prime is 42810263. The reversal of 42810248 is 84201824.

It can be written as a sum of positive squares in 2 ways, for example, as 30713764 + 12096484 = 5542^2 + 3478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42810248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205715 + ... + 205922.

Almost surely, 242810248 is an apocalyptic number.

It is an amenable number.

42810248 is an abundant number, since it is smaller than the sum of its proper divisors (43633732).

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

42810248 is a wasteful number, since it uses less digits than its factorization.

42810248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411656 (or 411652 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 42810248 is about 6542.9540728940. The cubic root of 42810248 is about 349.8237153071.

The spelling of 42810248 in words is "forty-two million, eight hundred ten thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 411637 823274 1646548 3293096 5351281 10702562 21405124 42810248