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189068253 = 3115729341
BaseRepresentation
bin10110100010011…
…11001111011101
3111011202122212220
423101033033131
5341400141003
630432215553
74454024253
oct1321171735
9434678786
10189068253
11977a6860
125339a5b9
133022a60a
141b1785d3
15118ea353
hexb44f3dd

189068253 has 8 divisors (see below), whose sum is σ = 275008416. Its totient is φ = 114586800.

The previous prime is 189068249. The next prime is 189068267. The reversal of 189068253 is 352860981.

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

It is not a de Polignac number, because 189068253 - 22 = 189068249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189068293) 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 7 ways as a sum of consecutive naturals, for example, 2864638 + ... + 2864703.

It is an arithmetic number, because the mean of its divisors is an integer number (34376052).

Almost surely, 2189068253 is an apocalyptic number.

It is an amenable number.

189068253 is a deficient number, since it is larger than the sum of its proper divisors (85940163).

189068253 is a wasteful number, since it uses less digits than its factorization.

189068253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729355.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 189068253 is about 13750.2091984086. The cubic root of 189068253 is about 573.9484276246.

The spelling of 189068253 in words is "one hundred eighty-nine million, sixty-eight thousand, two hundred fifty-three".

Divisors: 1 3 11 33 5729341 17188023 63022751 189068253