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30180016 = 244767599
BaseRepresentation
bin111001100100…
…0001010110000
32002210022012101
41303020022300
530211230031
62554510144
7514345246
oct163101260
962708171
1030180016
1116043769
12a135354
136338bc9
144018796
1529b2361
hex1cc82b0

30180016 has 40 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 14524224.

The previous prime is 30180001. The next prime is 30180047. The reversal of 30180016 is 61008103.

It is a junction number, because it is equal to n+sod(n) for n = 30179975 and 30180002.

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, 50085 + ... + 50683.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 230180016 is an apocalyptic number.

It is an amenable number.

30180016 is an abundant number, since it is smaller than the sum of its proper divisors (30530384).

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

30180016 is a wasteful number, since it uses less digits than its factorization.

30180016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 30180016 is about 5493.6341341593. The cubic root of 30180016 is about 311.3435133499.

Adding to 30180016 its reverse (61008103), we get a palindrome (91188119).

The spelling of 30180016 in words is "thirty million, one hundred eighty thousand, sixteen".

Divisors: 1 2 4 8 16 47 67 94 134 188 268 376 536 599 752 1072 1198 2396 3149 4792 6298 9584 12596 25192 28153 40133 50384 56306 80266 112612 160532 225224 321064 450448 642128 1886251 3772502 7545004 15090008 30180016