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135890094 = 23157181797
BaseRepresentation
bin10000001100110…
…00010010101110
3100110200221011110
420012120102232
5234241440334
621252332450
73240022014
oct1006302256
9313627143
10135890094
116a78526a
1239614126
13221cb752
14140948b4
15bde3ae9
hex81984ae

135890094 has 32 divisors (see below), whose sum is σ = 275367456. Its totient is φ = 44703360.

The previous prime is 135890093. The next prime is 135890189. The reversal of 135890094 is 490098531.

It is a super-2 number, since 2×1358900942 = 36932235294657672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135890093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170104 + ... + 170900.

It is an arithmetic number, because the mean of its divisors is an integer number (8605233).

Almost surely, 2135890094 is an apocalyptic number.

135890094 is an abundant number, since it is smaller than the sum of its proper divisors (139477362).

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

135890094 is a wasteful number, since it uses less digits than its factorization.

135890094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 135890094 is about 11657.1906564146. The cubic root of 135890094 is about 514.1177517422.

The spelling of 135890094 in words is "one hundred thirty-five million, eight hundred ninety thousand, ninety-four".

Divisors: 1 2 3 6 157 181 314 362 471 543 797 942 1086 1594 2391 4782 28417 56834 85251 125129 144257 170502 250258 288514 375387 432771 750774 865542 22648349 45296698 67945047 135890094