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42366880 = 255264793
BaseRepresentation
bin1010000110011…
…1011110100000
32221201110102201
42201213132200
541321220010
64112022544
71023053413
oct241473640
987643381
1042366880
1121a07956
1212231a54
138a14c7a
1458abb7a
153abd23a
hex28677a0

42366880 has 24 divisors (see below), whose sum is σ = 100092132. Its totient is φ = 16946688.

The previous prime is 42366859. The next prime is 42366889. The reversal of 42366880 is 8866324.

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 944784 = 6436^2 + 972^2 .

It is not an unprimeable number, because it can be changed into a prime (42366889) 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, 132237 + ... + 132556.

Almost surely, 242366880 is an apocalyptic number.

42366880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42366880 is an abundant number, since it is smaller than the sum of its proper divisors (57725252).

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

42366880 is a wasteful number, since it uses less digits than its factorization.

42366880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264808 (or 264800 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 42366880 is about 6508.9845598219. The cubic root of 42366880 is about 348.6118623192.

The spelling of 42366880 in words is "forty-two million, three hundred sixty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 264793 529586 1059172 1323965 2118344 2647930 4236688 5295860 8473376 10591720 21183440 42366880