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190842775 = 5214515261
BaseRepresentation
bin10110110000000…
…00011110010111
3111022002211001221
423120000132113
5342323432100
630534231211
74505064634
oct1330003627
9438084057
10190842775
11987a9002
1253ab5507
13306cc226
141b4bb18b
1511b4b01a
hexb600797

190842775 has 12 divisors (see below), whose sum is σ = 236853144. Its totient is φ = 152540000.

The previous prime is 190842767. The next prime is 190842811. The reversal of 190842775 is 577248091.

It is not a de Polignac number, because 190842775 - 23 = 190842767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33645 + ... + 38905.

It is an arithmetic number, because the mean of its divisors is an integer number (19737762).

Almost surely, 2190842775 is an apocalyptic number.

190842775 is a deficient number, since it is larger than the sum of its proper divisors (46010369).

190842775 is a wasteful number, since it uses less digits than its factorization.

190842775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 190842775 is about 13814.5855891518. The cubic root of 190842775 is about 575.7384588962.

The spelling of 190842775 in words is "one hundred ninety million, eight hundred forty-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 1451 5261 7255 26305 36275 131525 7633711 38168555 190842775