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42553960 = 2351063849
BaseRepresentation
bin1010001001010…
…1001001101000
32222001222001121
42202111021220
541343211320
64120025024
71024463011
oct242251150
988058047
1042553960
1122025469
1212302174
138a7c177
14591a008
153b088aa
hex2895268

42553960 has 16 divisors (see below), whose sum is σ = 95746500. Its totient is φ = 17021568.

The previous prime is 42553957. The next prime is 42553967. The reversal of 42553960 is 6935524.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 381924 = 6494^2 + 618^2 .

It is not an unprimeable number, because it can be changed into a prime (42553967) 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, 531885 + ... + 531964.

Almost surely, 242553960 is an apocalyptic number.

42553960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42553960 is an abundant number, since it is smaller than the sum of its proper divisors (53192540).

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

42553960 is a wasteful number, since it uses less digits than its factorization.

42553960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063860 (or 1063856 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 42553960 is about 6523.3396354935. The cubic root of 42553960 is about 349.1242322560.

The spelling of 42553960 in words is "forty-two million, five hundred fifty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1063849 2127698 4255396 5319245 8510792 10638490 21276980 42553960