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187681014 = 23210426723
BaseRepresentation
bin10110010111111…
…00100011110110
3111002011011221200
423023330203312
5341021243024
630342353330
74436155653
oct1313744366
9432134850
10187681014
1196a39584
1252a2b846
132cb63071
141acd6c2a
15117242c9
hexb2fc8f6

187681014 has 12 divisors (see below), whose sum is σ = 406642236. Its totient is φ = 62560332.

The previous prime is 187681009. The next prime is 187681019. The reversal of 187681014 is 410186781.

It is an interprime number because it is at equal distance from previous prime (187681009) and next prime (187681019).

It is a self number, because there is not a number n which added to its sum of digits gives 187681014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187681019) 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 5 ways as a sum of consecutive naturals, for example, 5213344 + ... + 5213379.

It is an arithmetic number, because the mean of its divisors is an integer number (33886853).

Almost surely, 2187681014 is an apocalyptic number.

187681014 is an abundant number, since it is smaller than the sum of its proper divisors (218961222).

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

187681014 is a wasteful number, since it uses less digits than its factorization.

187681014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426731 (or 10426728 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 187681014 is about 13699.6720398702. The cubic root of 187681014 is about 572.5412480848.

The spelling of 187681014 in words is "one hundred eighty-seven million, six hundred eighty-one thousand, fourteen".

Divisors: 1 2 3 6 9 18 10426723 20853446 31280169 62560338 93840507 187681014