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47030928 = 24371953139
BaseRepresentation
bin1011001101101…
…0001010010000
310021111102022020
42303122022100
544014442203
64400011440
71110520260
oct263321220
9107442266
1047030928
112460303a
1213900b80
139988b69
1463637a0
1541e0153
hex2cda290

47030928 has 160 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 12400128.

The previous prime is 47030927. The next prime is 47030957. The reversal of 47030928 is 82903074.

It is not an unprimeable number, because it can be changed into a prime (47030927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338283 + ... + 338421.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 247030928 is an apocalyptic number.

47030928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47030928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

47030928 is an abundant number, since it is smaller than the sum of its proper divisors (102959472).

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

47030928 is a wasteful number, since it uses less digits than its factorization.

47030928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 47030928 is about 6857.9098856722. The cubic root of 47030928 is about 360.9617493612.

The spelling of 47030928 in words is "forty-seven million, thirty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 53 56 57 76 84 106 112 114 133 139 152 159 168 212 228 266 278 304 318 336 371 399 417 424 456 532 556 636 742 798 834 848 912 973 1007 1064 1112 1113 1272 1484 1596 1668 1946 2014 2128 2224 2226 2544 2641 2919 2968 3021 3192 3336 3892 4028 4452 5282 5838 5936 6042 6384 6672 7049 7367 7784 7923 8056 8904 10564 11676 12084 14098 14734 15568 15846 16112 17808 18487 21128 21147 22101 23352 24168 28196 29468 31692 36974 42256 42294 44202 46704 48336 51569 55461 56392 58936 63384 73948 84588 88404 103138 110922 112784 117872 126768 139973 147896 154707 169176 176808 206276 221844 279946 295792 309414 338352 353616 412552 419919 443688 559892 618828 825104 839838 887376 979811 1119784 1237656 1679676 1959622 2239568 2475312 2939433 3359352 3919244 5878866 6718704 7838488 11757732 15676976 23515464 47030928