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30860216 = 23892487
BaseRepresentation
bin111010110111…
…0001110111000
32011001212020222
41311232032320
530400011331
63021235212
7523210322
oct165561670
964055228
1030860216
1116468812
12a402b08
1365166aa
144154612
152a98b7b
hex1d6e3b8

30860216 has 24 divisors (see below), whose sum is σ = 58640520. Its totient is φ = 15225408.

The previous prime is 30860213. The next prime is 30860231. The reversal of 30860216 is 61206803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30860213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63125 + ... + 63611.

It is an arithmetic number, because the mean of its divisors is an integer number (2443355).

Almost surely, 230860216 is an apocalyptic number.

It is an amenable number.

30860216 is a deficient number, since it is larger than the sum of its proper divisors (27780304).

30860216 is an equidigital number, since it uses as much as digits as its factorization.

30860216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30860216 is about 5555.1972062205. The cubic root of 30860216 is about 313.6651873633.

The spelling of 30860216 in words is "thirty million, eight hundred sixty thousand, two hundred sixteen".

Divisors: 1 2 4 8 89 178 356 487 712 974 1948 3896 7921 15842 31684 43343 63368 86686 173372 346744 3857527 7715054 15430108 30860216