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232145052 = 22319345421
BaseRepresentation
bin11011101011001…
…00000010011100
3121011211012010220
431311210002130
5433412120202
635011401340
75516125506
oct1565440234
9534735126
10232145052
1110a049017
12658b3250
1339130749
1422b8cd76
15155a8abc
hexdd6409c

232145052 has 12 divisors (see below), whose sum is σ = 541671816. Its totient is φ = 77381680.

The previous prime is 232145051. The next prime is 232145083. The reversal of 232145052 is 250541232.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232145051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672699 + ... + 9672722.

It is an arithmetic number, because the mean of its divisors is an integer number (45139318).

Almost surely, 2232145052 is an apocalyptic number.

It is an amenable number.

232145052 is an abundant number, since it is smaller than the sum of its proper divisors (309526764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232145052 is a wasteful number, since it uses less digits than its factorization.

232145052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345428 (or 19345426 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 232145052 is about 15236.3070328738. The cubic root of 232145052 is about 614.5913975671.

Adding to 232145052 its reverse (250541232), we get a palindrome (482686284).

The spelling of 232145052 in words is "two hundred thirty-two million, one hundred forty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 19345421 38690842 58036263 77381684 116072526 232145052