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42131094 = 23191672213
BaseRepresentation
bin1010000010110…
…1111010010110
32221021110222220
42200231322112
541241143334
64103003210
71021052115
oct240557226
987243886
1042131094
1121866795
1212139506
138961855
145849c7c
153a73449
hex282de96

42131094 has 32 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 13218912.

The previous prime is 42131093. The next prime is 42131119. The reversal of 42131094 is 49013124.

42131094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17932 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 242131094 is an apocalyptic number.

42131094 is an abundant number, since it is smaller than the sum of its proper divisors (47137386).

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

42131094 is a wasteful number, since it uses less digits than its factorization.

42131094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42131094 is about 6490.8469401150. The cubic root of 42131094 is about 347.9639446064.

The spelling of 42131094 in words is "forty-two million, one hundred thirty-one thousand, ninety-four".

Divisors: 1 2 3 6 19 38 57 114 167 334 501 1002 2213 3173 4426 6346 6639 9519 13278 19038 42047 84094 126141 252282 369571 739142 1108713 2217426 7021849 14043698 21065547 42131094