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30469160 = 2351947853
BaseRepresentation
bin111010000111…
…0110000101000
32010022222211102
41310032300220
530300003120
63005020532
7516661241
oct164166050
963288742
1030469160
1116220a27
12a254748
13640a6b7
144091cc8
152a1cd75
hex1d0ec28

30469160 has 64 divisors (see below), whose sum is σ = 73785600. Its totient is φ = 11287296.

The previous prime is 30469157. The next prime is 30469189. The reversal of 30469160 is 6196403.

It is a super-2 number, since 2×304691602 = 1856739422211200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35294 + ... + 36146.

It is an arithmetic number, because the mean of its divisors is an integer number (1152900).

Almost surely, 230469160 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 30469160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36892800).

30469160 is an abundant number, since it is smaller than the sum of its proper divisors (43316440).

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

30469160 is a wasteful number, since it uses less digits than its factorization.

30469160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30469160 is about 5519.8876800167. The cubic root of 30469160 is about 312.3346453205.

The spelling of 30469160 in words is "thirty million, four hundred sixty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 19 20 38 40 47 76 94 95 152 188 190 235 376 380 470 760 853 893 940 1706 1786 1880 3412 3572 4265 4465 6824 7144 8530 8930 16207 17060 17860 32414 34120 35720 40091 64828 80182 81035 129656 160364 162070 200455 320728 324140 400910 648280 761729 801820 1523458 1603640 3046916 3808645 6093832 7617290 15234580 30469160