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42589272 = 23311161323
BaseRepresentation
bin1010001001110…
…1110001011000
32222010202111110
42202131301120
541400324042
64120500320
71025000655
oct242356130
988122443
1042589272
1122049a50
121231a6a0
138a9226b
145928c2c
153b1409c
hex289dc58

42589272 has 32 divisors (see below), whose sum is σ = 116153280. Its totient is φ = 12905760.

The previous prime is 42589237. The next prime is 42589277. The reversal of 42589272 is 27298524.

It is a self number, because there is not a number n which added to its sum of digits gives 42589272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42589277) 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, 80398 + ... + 80925.

It is an arithmetic number, because the mean of its divisors is an integer number (3629790).

Almost surely, 242589272 is an apocalyptic number.

It is an amenable number.

42589272 is an abundant number, since it is smaller than the sum of its proper divisors (73564008).

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

42589272 is a wasteful number, since it uses less digits than its factorization.

42589272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161343 (or 161339 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42589272 is about 6526.0456633401. The cubic root of 42589272 is about 349.2207752992.

It can be divided in two parts, 4258 and 9272, that added together give a triangular number (13530 = T164).

The spelling of 42589272 in words is "forty-two million, five hundred eighty-nine thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 161323 322646 483969 645292 967938 1290584 1774553 1935876 3549106 3871752 5323659 7098212 10647318 14196424 21294636 42589272