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30692200 = 23527111993
BaseRepresentation
bin111010100010…
…1001101101000
32010202022210011
41311011031220
530324122300
63013501304
7521610430
oct165051550
963668704
1030692200
1116363560
12a341834
136488086
14410d2c0
152a63eba
hex1d45368

30692200 has 96 divisors (see below), whose sum is σ = 89012160. Its totient is φ = 9561600.

The previous prime is 30692177. The next prime is 30692219. The reversal of 30692200 is 229603.

It is a super-2 number, since 2×306922002 = 1884022281680000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14404 + ... + 16396.

It is an arithmetic number, because the mean of its divisors is an integer number (927210).

Almost surely, 230692200 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 30692200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44506080).

30692200 is an abundant number, since it is smaller than the sum of its proper divisors (58319960).

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

30692200 is a wasteful number, since it uses less digits than its factorization.

30692200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30692200 is about 5540.0541513599. The cubic root of 30692200 is about 313.0949094129.

The spelling of 30692200 in words is "thirty million, six hundred ninety-two thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 140 154 175 200 220 275 280 308 350 385 440 550 616 700 770 1100 1400 1540 1925 1993 2200 3080 3850 3986 7700 7972 9965 13951 15400 15944 19930 21923 27902 39860 43846 49825 55804 69755 79720 87692 99650 109615 111608 139510 153461 175384 199300 219230 279020 306922 348775 398600 438460 548075 558040 613844 697550 767305 876920 1096150 1227688 1395100 1534610 2192300 2790200 3069220 3836525 4384600 6138440 7673050 15346100 30692200