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30216968 = 235964019
BaseRepresentation
bin111001101000…
…1001100001000
32002212011212222
41303101030020
530213420333
62555353212
7514561055
oct163211410
962764788
1030216968
1116069501
12a152808
13634c982
14402802c
1529bd298
hex1cd1308

30216968 has 16 divisors (see below), whose sum is σ = 57618000. Its totient is φ = 14852176.

The previous prime is 30216941. The next prime is 30216997. The reversal of 30216968 is 86961203.

It is a super-2 number, since 2×302169682 = 1826130310226048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31538 + ... + 32481.

It is an arithmetic number, because the mean of its divisors is an integer number (3601125).

Almost surely, 230216968 is an apocalyptic number.

It is an amenable number.

30216968 is a deficient number, since it is larger than the sum of its proper divisors (27401032).

30216968 is a wasteful number, since it uses less digits than its factorization.

30216968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64084 (or 64080 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 30216968 is about 5496.9962706918. The cubic root of 30216968 is about 311.4705297755.

The spelling of 30216968 in words is "thirty million, two hundred sixteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 59 118 236 472 64019 128038 256076 512152 3777121 7554242 15108484 30216968