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42704382 = 2372145253
BaseRepresentation
bin1010001011100…
…1110111111110
32222100121101210
42202321313332
541413020012
64123145250
71025660400
oct242716776
988317353
1042704382
1122118486
1212375226
138b02786
145958b70
153b3823c
hex28b9dfe

42704382 has 24 divisors (see below), whose sum is σ = 99353736. Its totient is φ = 12201168.

The previous prime is 42704371. The next prime is 42704383. The reversal of 42704382 is 28340724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72333 + ... + 72920.

It is an arithmetic number, because the mean of its divisors is an integer number (4139739).

Almost surely, 242704382 is an apocalyptic number.

42704382 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42704382 is an abundant number, since it is smaller than the sum of its proper divisors (56649354).

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

42704382 is a wasteful number, since it uses less digits than its factorization.

42704382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145272 (or 145265 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42704382 is about 6534.8589885322. The cubic root of 42704382 is about 349.5351161295.

The spelling of 42704382 in words is "forty-two million, seven hundred four thousand, three hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 145253 290506 435759 871518 1016771 2033542 3050313 6100626 7117397 14234794 21352191 42704382