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30216944 = 241888559
BaseRepresentation
bin111001101000…
…1001011110000
32002212011212002
41303101023300
530213420234
62555353132
7514561022
oct163211360
962764762
1030216944
111606948a
12a1527a8
13634c964
144028012
1529bd27e
hex1cd12f0

30216944 has 10 divisors (see below), whose sum is σ = 58545360. Its totient is φ = 15108464.

The previous prime is 30216941. The next prime is 30216997. The reversal of 30216944 is 44961203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30216941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944264 + ... + 944295.

It is an arithmetic number, because the mean of its divisors is an integer number (5854536).

Almost surely, 230216944 is an apocalyptic number.

It is an amenable number.

30216944 is a deficient number, since it is larger than the sum of its proper divisors (28328416).

30216944 is a wasteful number, since it uses less digits than its factorization.

30216944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888567 (or 1888561 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30216944 is about 5496.9940876810. The cubic root of 30216944 is about 311.4704473130.

The spelling of 30216944 in words is "thirty million, two hundred sixteen thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 1888559 3777118 7554236 15108472 30216944