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30213044 = 229198219
BaseRepresentation
bin111001101000…
…0001110110100
32002211222111122
41303100032310
530213304134
62555323112
7514543451
oct163201664
962758448
1030213044
1116066564
12a150498
13634ac54
144026828
1529bc02e
hex1cd03b4

30213044 has 12 divisors (see below), whose sum is σ = 52936800. Its totient is φ = 15088248.

The previous prime is 30213037. The next prime is 30213067. The reversal of 30213044 is 44031203.

It is a congruent number.

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, 434 + ... + 7785.

It is an arithmetic number, because the mean of its divisors is an integer number (4411400).

Almost surely, 230213044 is an apocalyptic number.

It is an amenable number.

30213044 is a deficient number, since it is larger than the sum of its proper divisors (22723756).

30213044 is a wasteful number, since it uses less digits than its factorization.

30213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142 (or 9140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30213044 is about 5496.6393369040. The cubic root of 30213044 is about 311.4570465865.

Adding to 30213044 its reverse (44031203), we get a palindrome (74244247).

The spelling of 30213044 in words is "thirty million, two hundred thirteen thousand, forty-four".

Divisors: 1 2 4 919 1838 3676 8219 16438 32876 7553261 15106522 30213044