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189848928 = 25317116329
BaseRepresentation
bin10110101000011…
…01110101100000
3111020020022202210
423110031311200
5342100131203
630501042120
74463455263
oct1324156540
9436208683
10189848928
119818a345
12536b6340
1330441a59
141b2dccda
1511a01803
hexb50dd60

189848928 has 48 divisors (see below), whose sum is σ = 527672880. Its totient is φ = 59559936.

The previous prime is 189848921. The next prime is 189848951. The reversal of 189848928 is 829848981.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189848921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56533 + ... + 59796.

It is an arithmetic number, because the mean of its divisors is an integer number (10993185).

Almost surely, 2189848928 is an apocalyptic number.

It is an amenable number.

189848928 is an abundant number, since it is smaller than the sum of its proper divisors (337823952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189848928 is a wasteful number, since it uses less digits than its factorization.

189848928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116359 (or 116351 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 57.

The square root of 189848928 is about 13778.5677049540. The cubic root of 189848928 is about 574.7372995319.

The spelling of 189848928 in words is "one hundred eighty-nine million, eight hundred forty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 116329 232658 348987 465316 697974 930632 1395948 1861264 1977593 2791896 3722528 3955186 5583792 5932779 7910372 11167584 11865558 15820744 23731116 31641488 47462232 63282976 94924464 189848928