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42263904 = 25317192947
BaseRepresentation
bin1010000100111…
…0010101100000
32221112020011210
42201032111200
541304421104
64105510120
71022144244
oct241162540
987466153
1042263904
1121947551
12121a2340
1389aa137
145882424
153a9c989
hex284e560

42263904 has 192 divisors, whose sum is σ = 130636800. Its totient is φ = 11870208.

The previous prime is 42263899. The next prime is 42263917. The reversal of 42263904 is 40936224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899209 + ... + 899255.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 242263904 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 42263904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

42263904 is an abundant number, since it is smaller than the sum of its proper divisors (88372896).

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

42263904 is a wasteful number, since it uses less digits than its factorization.

42263904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 42263904 is about 6501.0694504827. The cubic root of 42263904 is about 348.3291904200.

The spelling of 42263904 in words is "forty-two million, two hundred sixty-three thousand, nine hundred four".