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42332388 = 22371313847
BaseRepresentation
bin1010000101111…
…1000011100100
32221122201010020
42201133003210
541314114023
64111155140
71022551020
oct241370344
987581106
1042332388
1121993a4a
1212215ab0
138a02367
14589d380
153ab2de3
hex285f0e4

42332388 has 48 divisors (see below), whose sum is σ = 113777664. Its totient is φ = 11999520.

The previous prime is 42332371. The next prime is 42332393. The reversal of 42332388 is 88323324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9081 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (2370368).

Almost surely, 242332388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42332388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56888832).

42332388 is an abundant number, since it is smaller than the sum of its proper divisors (71445276).

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

42332388 is a wasteful number, since it uses less digits than its factorization.

42332388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3990 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 42332388 is about 6506.3344519015. The cubic root of 42332388 is about 348.5172319150.

The spelling of 42332388 in words is "forty-two million, three hundred thirty-two thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 131 262 393 524 786 917 1572 1834 2751 3668 3847 5502 7694 11004 11541 15388 23082 26929 46164 53858 80787 107716 161574 323148 503957 1007914 1511871 2015828 3023742 3527699 6047484 7055398 10583097 14110796 21166194 42332388