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30166528 = 29719443
BaseRepresentation
bin111001100010…
…0111000000000
32002202121200211
41303010320000
530210312103
62554323504
7514261030
oct163047000
962677624
1030166528
1116034617
12a129594
136332a22
1440138c0
1529ad36d
hex1cc4e00

30166528 has 80 divisors (see below), whose sum is σ = 72673920. Its totient is φ = 12220416.

The previous prime is 30166519. The next prime is 30166531. The reversal of 30166528 is 82566103.

It is a self number, because there is not a number n which added to its sum of digits gives 30166528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67875 + ... + 68317.

It is an arithmetic number, because the mean of its divisors is an integer number (908424).

Almost surely, 230166528 is an apocalyptic number.

30166528 is a gapful number since it is divisible by the number (38) 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 30166528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36336960).

30166528 is an abundant number, since it is smaller than the sum of its proper divisors (42507392).

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

30166528 is an equidigital number, since it uses as much as digits as its factorization.

30166528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 30166528 is about 5492.4063942866. The cubic root of 30166528 is about 311.2971247389.

The spelling of 30166528 in words is "thirty million, one hundred sixty-six thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 224 256 266 304 443 448 512 532 608 886 896 1064 1216 1772 1792 2128 2432 3101 3544 3584 4256 4864 6202 7088 8417 8512 9728 12404 14176 16834 17024 24808 28352 33668 34048 49616 56704 58919 67336 68096 99232 113408 117838 134672 198464 226816 235676 269344 396928 471352 538688 793856 942704 1077376 1587712 1885408 2154752 3770816 4309504 7541632 15083264 30166528