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30173968 = 2411173991
BaseRepresentation
bin111001100011…
…0101100010000
32002202222220101
41303012230100
530211031333
62554422144
7514321516
oct163065420
962688811
1030173968
111603a170
12a131954
136336226
1440164b6
1529b067d
hex1cc6b10

30173968 has 40 divisors (see below), whose sum is σ = 64210176. Its totient is φ = 13622400.

The previous prime is 30173959. The next prime is 30173977. The reversal of 30173968 is 86937103.

It is an interprime number because it is at equal distance from previous prime (30173959) and next prime (30173977).

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 7 ways as a sum of consecutive naturals, for example, 29953 + ... + 30943.

Almost surely, 230173968 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 30173968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32105088).

30173968 is an abundant number, since it is smaller than the sum of its proper divisors (34036208).

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

30173968 is a wasteful number, since it uses less digits than its factorization.

30173968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 30173968 is about 5493.0836512837. The cubic root of 30173968 is about 311.3227144724.

The spelling of 30173968 in words is "thirty million, one hundred seventy-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 173 176 346 692 991 1384 1903 1982 2768 3806 3964 7612 7928 10901 15224 15856 21802 30448 43604 87208 171443 174416 342886 685772 1371544 1885873 2743088 3771746 7543492 15086984 30173968