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188850157 = 265971023
BaseRepresentation
bin10110100000110…
…01111111101101
3111011100120201021
423100121333231
5341321201112
630423414141
74452125356
oct1320317755
9434316637
10188850157
1197667a11
12532b4351
1330182272
141b11cd2d
15118a5907
hexb419fed

188850157 has 4 divisors (see below), whose sum is σ = 188923840. Its totient is φ = 188776476.

The previous prime is 188850133. The next prime is 188850163. The reversal of 188850157 is 751058881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 188850157 - 215 = 188817389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188850107) 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 3 ways as a sum of consecutive naturals, for example, 32853 + ... + 38170.

It is an arithmetic number, because the mean of its divisors is an integer number (47230960).

Almost surely, 2188850157 is an apocalyptic number.

It is an amenable number.

188850157 is a deficient number, since it is larger than the sum of its proper divisors (73683).

188850157 is an equidigital number, since it uses as much as digits as its factorization.

188850157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73682.

The product of its (nonzero) digits is 89600, while the sum is 43.

The square root of 188850157 is about 13742.2762670527. The cubic root of 188850157 is about 573.7276537038.

The spelling of 188850157 in words is "one hundred eighty-eight million, eight hundred fifty thousand, one hundred fifty-seven".

Divisors: 1 2659 71023 188850157