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187252241 = 1124177043
BaseRepresentation
bin10110010100100…
…11111000010001
3111001100101210012
423022103320101
5340414032431
630325244305
74432421621
oct1312237021
9431311705
10187252241
1196776420
1252863695
132ca42b57
141ac24881
151168c22b
hexb293e11

187252241 has 8 divisors (see below), whose sum is σ = 204388704. Its totient is φ = 170134720.

The previous prime is 187252237. The next prime is 187252271. The reversal of 187252241 is 142252781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 187252241 - 22 = 187252237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187252198 and 187252207.

It is not an unprimeable number, because it can be changed into a prime (187252271) 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 7 ways as a sum of consecutive naturals, for example, 23066 + ... + 30108.

It is an arithmetic number, because the mean of its divisors is an integer number (25548588).

Almost surely, 2187252241 is an apocalyptic number.

187252241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

187252241 is a deficient number, since it is larger than the sum of its proper divisors (17136463).

187252241 is a wasteful number, since it uses less digits than its factorization.

187252241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471.

The product of its digits is 8960, while the sum is 32.

The square root of 187252241 is about 13684.0140675169. The cubic root of 187252241 is about 572.1049094827.

The spelling of 187252241 in words is "one hundred eighty-seven million, two hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 11 2417 7043 26587 77473 17022931 187252241