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187552130 = 2563129723
BaseRepresentation
bin10110010110111…
…01000110000010
3111001220122011012
423023131012002
5341003132010
630335520522
74435111133
oct1313350602
9431818135
10187552130
1196960767
1252989142
132cb194bc
141aca1c8a
15116eb005
hexb2dd182

187552130 has 16 divisors (see below), whose sum is σ = 338140224. Its totient is φ = 74899440.

The previous prime is 187552129. The next prime is 187552147. The reversal of 187552130 is 31255781.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8552 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (21133764).

Almost surely, 2187552130 is an apocalyptic number.

187552130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

187552130 is a deficient number, since it is larger than the sum of its proper divisors (150588094).

187552130 is a wasteful number, since it uses less digits than its factorization.

187552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30361.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 187552130 is about 13694.9673238018. The cubic root of 187552130 is about 572.4101598758.

The spelling of 187552130 in words is "one hundred eighty-seven million, five hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 631 1262 3155 6310 29723 59446 148615 297230 18755213 37510426 93776065 187552130