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193028095 = 5136189547
BaseRepresentation
bin10111000000101…
…01111111111111
3111110012211202201
423200111333333
5343403344340
631053132331
74532466061
oct1340257777
9443184681
10193028095
1199a60957
125478a0a7
1330cb5b10
141b8c9731
1511e2d79a
hexb815fff

193028095 has 32 divisors (see below), whose sum is σ = 256858560. Its totient is φ = 138378240.

The previous prime is 193028093. The next prime is 193028113. The reversal of 193028095 is 590820391.

It is not a de Polignac number, because 193028095 - 21 = 193028093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193028093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352612 + ... + 353158.

It is an arithmetic number, because the mean of its divisors is an integer number (8026830).

Almost surely, 2193028095 is an apocalyptic number.

193028095 is a deficient number, since it is larger than the sum of its proper divisors (63830465).

193028095 is a wasteful number, since it uses less digits than its factorization.

193028095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 193028095 is about 13893.4551138297. The cubic root of 193028095 is about 577.9276967623.

The spelling of 193028095 in words is "one hundred ninety-three million, twenty-eight thousand, ninety-five".

Divisors: 1 5 13 61 65 89 305 445 547 793 1157 2735 3965 5429 5785 7111 27145 33367 35555 48683 70577 166835 243415 352885 433771 632879 2168855 2969663 3164395 14848315 38605619 193028095