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190909059 = 31129199487
BaseRepresentation
bin10110110000100…
…00101010000011
3111022020011222220
423120100222003
5342333042214
630535502123
74505462115
oct1330205203
9438204886
10190909059
1198843890
1253b27943
1330723453
141b4d73b5
1511b609a9
hexb610a83

190909059 has 16 divisors (see below), whose sum is σ = 287262720. Its totient is φ = 111712160.

The previous prime is 190909057. The next prime is 190909091. The reversal of 190909059 is 950909091.

It is a cyclic number.

It is not a de Polignac number, because 190909059 - 21 = 190909057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190909059.

It is not an unprimeable number, because it can be changed into a prime (190909057) 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 15 ways as a sum of consecutive naturals, for example, 98787 + ... + 100700.

It is an arithmetic number, because the mean of its divisors is an integer number (17953920).

Almost surely, 2190909059 is an apocalyptic number.

190909059 is a deficient number, since it is larger than the sum of its proper divisors (96353661).

190909059 is a wasteful number, since it uses less digits than its factorization.

190909059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199530.

The product of its (nonzero) digits is 32805, while the sum is 42.

The square root of 190909059 is about 13816.9844394499. The cubic root of 190909059 is about 575.8051068313.

The spelling of 190909059 in words is "one hundred ninety million, nine hundred nine thousand, fifty-nine".

Divisors: 1 3 11 29 33 87 319 957 199487 598461 2194357 5785123 6583071 17355369 63636353 190909059