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189048470 = 25132111863
BaseRepresentation
bin10110100010010…
…10011010010110
3111011201122202012
423101022122112
5341344022340
630431544222
74453612502
oct1321123226
9434648665
10189048470
1197792a06
125338b072
1330221600
141b171302
15118e4565
hexb44a696

189048470 has 24 divisors (see below), whose sum is σ = 368480016. Its totient is φ = 69801888.

The previous prime is 189048443. The next prime is 189048481. The reversal of 189048470 is 74840981.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54242 + ... + 57621.

It is an arithmetic number, because the mean of its divisors is an integer number (15353334).

Almost surely, 2189048470 is an apocalyptic number.

189048470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189048470 is a deficient number, since it is larger than the sum of its proper divisors (179431546).

189048470 is a wasteful number, since it uses less digits than its factorization.

189048470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111896 (or 111883 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 189048470 is about 13749.4898087165. The cubic root of 189048470 is about 573.9284087203.

The spelling of 189048470 in words is "one hundred eighty-nine million, forty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 111863 223726 559315 1118630 1454219 2908438 7271095 14542190 18904847 37809694 94524235 189048470