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30153224 = 2337101869
BaseRepresentation
bin111001100000…
…1101000001000
32002201221110002
41303001220020
530204400344
62554142132
7514204163
oct163015010
962657402
1030153224
1116025622
12a121948
13632995a
14400cada
1529a944e
hex1cc1a08

30153224 has 16 divisors (see below), whose sum is σ = 58065900. Its totient is φ = 14668992.

The previous prime is 30153199. The next prime is 30153241. The reversal of 30153224 is 42235103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 232324 = 5470^2 + 482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30153196 and 30153205.

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, 50639 + ... + 51230.

Almost surely, 230153224 is an apocalyptic number.

It is an amenable number.

30153224 is a deficient number, since it is larger than the sum of its proper divisors (27912676).

30153224 is a wasteful number, since it uses less digits than its factorization.

30153224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101912 (or 101908 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30153224 is about 5491.1951340305. The cubic root of 30153224 is about 311.2513554023.

Adding to 30153224 its reverse (42235103), we get a palindrome (72388327).

The spelling of 30153224 in words is "thirty million, one hundred fifty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 37 74 148 296 101869 203738 407476 814952 3769153 7538306 15076612 30153224