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2431330 = 251123312
BaseRepresentation
bin1001010001100101100010
311120112011021
421101211202
51110300310
6124040054
726444266
oct11214542
94515137
102431330
111410770
1299302a
13671875
144740a6
153305da
hex251962

2431330 has 48 divisors (see below), whose sum is σ = 5147712. Its totient is φ = 818400.

The previous prime is 2431327. The next prime is 2431333. The reversal of 2431330 is 331342.

It is an interprime number because it is at equal distance from previous prime (2431327) and next prime (2431333).

It is a super-2 number, since 2×24313302 = 11822731137800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78415 + ... + 78445.

It is an arithmetic number, because the mean of its divisors is an integer number (107244).

22431330 is an apocalyptic number.

2431330 is an abundant number, since it is smaller than the sum of its proper divisors (2716382).

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

2431330 is a wasteful number, since it uses less digits than its factorization.

2431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2431330 is about 1559.2722661550. The cubic root of 2431330 is about 134.4666657763.

Adding to 2431330 its reverse (331342), we get a palindrome (2762672).

The spelling of 2431330 in words is "two million, four hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 23 31 46 55 62 110 115 155 230 253 310 341 506 682 713 961 1265 1426 1705 1922 2530 3410 3565 4805 7130 7843 9610 10571 15686 21142 22103 39215 44206 52855 78430 105710 110515 221030 243133 486266 1215665 2431330