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855190934 = 21353620603
BaseRepresentation
bin110010111110010…
…010110110010110
32012121012012102022
4302332102312112
53222412102214
6220505413142
730123001013
oct6276226626
92177165368
10855190934
113a9807674
121ba49a1b2
13108237c50
148181470a
1550129d8e
hex32f92d96

855190934 has 16 divisors (see below), whose sum is σ = 1407529872. Its totient is φ = 387255648.

The previous prime is 855190927. The next prime is 855190957. The reversal of 855190934 is 439091558.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 308924 + ... + 311679.

It is an arithmetic number, because the mean of its divisors is an integer number (87970617).

Almost surely, 2855190934 is an apocalyptic number.

855190934 is a deficient number, since it is larger than the sum of its proper divisors (552338938).

855190934 is a wasteful number, since it uses less digits than its factorization.

855190934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620671.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 855190934 is about 29243.6477546834. The cubic root of 855190934 is about 949.1926414837.

The spelling of 855190934 in words is "eight hundred fifty-five million, one hundred ninety thousand, nine hundred thirty-four".

Divisors: 1 2 13 26 53 106 689 1378 620603 1241206 8067839 16135678 32891959 65783918 427595467 855190934