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42147896 = 2371744273
BaseRepresentation
bin1010000011001…
…0000000111000
32221022100001012
42200302000320
541242213041
64103213052
71021152110
oct240620070
987270035
1042147896
112187837a
1212147188
1389693ab
145852040
153a783eb
hex2832038

42147896 has 32 divisors (see below), whose sum is σ = 95631840. Its totient is φ = 17000448.

The previous prime is 42147893. The next prime is 42147929. The reversal of 42147896 is 69874124.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21185 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (2988495).

Almost surely, 242147896 is an apocalyptic number.

It is an amenable number.

42147896 is an abundant number, since it is smaller than the sum of its proper divisors (53483944).

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

42147896 is a wasteful number, since it uses less digits than its factorization.

42147896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44303 (or 44299 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 42147896 is about 6492.1410952012. The cubic root of 42147896 is about 348.0101947954.

The spelling of 42147896 in words is "forty-two million, one hundred forty-seven thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 44273 88546 177092 309911 354184 619822 752641 1239644 1505282 2479288 3010564 5268487 6021128 10536974 21073948 42147896