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11930187 = 34199491
BaseRepresentation
bin101101100000…
…101001001011
3211110010010210
4231200221023
511023231222
61103412203
7203255613
oct55405113
924403123
1011930187
116809365
123bb4063
1326192a9
141827a43
1510a9d0c
hexb60a4b

11930187 has 8 divisors (see below), whose sum is σ = 15946560. Its totient is φ = 7933640.

The previous prime is 11930173. The next prime is 11930203. The reversal of 11930187 is 78103911.

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 11930187 - 210 = 11929163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11930167) 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 7 ways as a sum of consecutive naturals, for example, 3489 + ... + 6002.

It is an arithmetic number, because the mean of its divisors is an integer number (1993320).

Almost surely, 211930187 is an apocalyptic number.

11930187 is a deficient number, since it is larger than the sum of its proper divisors (4016373).

11930187 is an equidigital number, since it uses as much as digits as its factorization.

11930187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11930187 is about 3454.0102779233. The cubic root of 11930187 is about 228.4980073149.

The spelling of 11930187 in words is "eleven million, nine hundred thirty thousand, one hundred eighty-seven".

Divisors: 1 3 419 1257 9491 28473 3976729 11930187