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30242444 = 2257113241
BaseRepresentation
bin111001101011…
…1011010001100
32002220110211112
41303113122030
530220224234
63000111152
7515025251
oct163273214
962813745
1030242444
1116086661
12a1654b8
13635b44b
144033428
1529c5ace
hex1cd768c

30242444 has 12 divisors (see below), whose sum is σ = 53020968. Its totient is φ = 15093600.

The previous prime is 30242437. The next prime is 30242449. The reversal of 30242444 is 44424203.

It is not an unprimeable number, because it can be changed into a prime (30242449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4337 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (4418414).

Almost surely, 230242444 is an apocalyptic number.

It is an amenable number.

30242444 is a deficient number, since it is larger than the sum of its proper divisors (22778524).

30242444 is a wasteful number, since it uses less digits than its factorization.

30242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13816 (or 13814 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 30242444 is about 5499.3130480088. The cubic root of 30242444 is about 311.5580390434.

Adding to 30242444 its reverse (44424203), we get a palindrome (74666647).

The spelling of 30242444 in words is "thirty million, two hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 571 1142 2284 13241 26482 52964 7560611 15121222 30242444