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42927520 = 255268297
BaseRepresentation
bin1010001111000…
…0010110100000
32222202221111011
42203300112200
541442140040
64132030304
71030610056
oct243602640
988687434
1042927520
1122260099
1212462394
138b801cc
1459b61d6
153b7e3ea
hex28f05a0

42927520 has 24 divisors (see below), whose sum is σ = 101416644. Its totient is φ = 17170944.

The previous prime is 42927487. The next prime is 42927539. The reversal of 42927520 is 2572924.

It can be written as a sum of positive squares in 2 ways, for example, as 42146064 + 781456 = 6492^2 + 884^2 .

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, 133989 + ... + 134308.

Almost surely, 242927520 is an apocalyptic number.

42927520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42927520 is an abundant number, since it is smaller than the sum of its proper divisors (58489124).

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

42927520 is a wasteful number, since it uses less digits than its factorization.

42927520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268312 (or 268304 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42927520 is about 6551.9096452866. The cubic root of 42927520 is about 350.1428532508.

The spelling of 42927520 in words is "forty-two million, nine hundred twenty-seven thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 268297 536594 1073188 1341485 2146376 2682970 4292752 5365940 8585504 10731880 21463760 42927520