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42847960 = 2352634073
BaseRepresentation
bin1010001101110…
…0111011011000
32222121220100111
42203130323120
541432113320
64130214104
71030126111
oct243347330
988556314
1042847960
1122206341
1212424334
138b52c2c
145995208
153b65a5a
hex28dced8

42847960 has 32 divisors (see below), whose sum is σ = 96798240. Its totient is φ = 17069824.

The previous prime is 42847957. The next prime is 42847963. The reversal of 42847960 is 6974824.

It is an interprime number because it is at equal distance from previous prime (42847957) and next prime (42847963).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42847963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8484 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (3024945).

Almost surely, 242847960 is an apocalyptic number.

42847960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42847960 is an abundant number, since it is smaller than the sum of its proper divisors (53950280).

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

42847960 is a wasteful number, since it uses less digits than its factorization.

42847960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 42847960 is about 6545.8353172074. The cubic root of 42847960 is about 349.9264062954.

The spelling of 42847960 in words is "forty-two million, eight hundred forty-seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 263 526 1052 1315 2104 2630 4073 5260 8146 10520 16292 20365 32584 40730 81460 162920 1071199 2142398 4284796 5355995 8569592 10711990 21423980 42847960