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30329992 = 2371153929
BaseRepresentation
bin111001110110…
…0110010001000
32010001220221001
41303230302020
530231024432
63002024344
7515541430
oct163546210
963056831
1030329992
1116136410
12a1a80b4
13638c254
1440572c0
1529e19e7
hex1cecc88

30329992 has 64 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 11581440.

The previous prime is 30329987. The next prime is 30330017. The reversal of 30329992 is 29992303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32184 + ... + 33112.

It is an arithmetic number, because the mean of its divisors is an integer number (1129950).

Almost surely, 230329992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30329992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36158400).

30329992 is an abundant number, since it is smaller than the sum of its proper divisors (41986808).

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

30329992 is a wasteful number, since it uses less digits than its factorization.

30329992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 30329992 is about 5507.2671988928. The cubic root of 30329992 is about 311.8583896037.

The spelling of 30329992 in words is "thirty million, three hundred twenty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 53 56 77 88 106 154 212 308 371 424 583 616 742 929 1166 1484 1858 2332 2968 3716 4081 4664 6503 7432 8162 10219 13006 16324 20438 26012 32648 40876 49237 52024 71533 81752 98474 143066 196948 286132 344659 393896 541607 572264 689318 1083214 1378636 2166428 2757272 3791249 4332856 7582498 15164996 30329992