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43142302 = 279731769
BaseRepresentation
bin1010010010010…
…0110010011110
310000011212010001
42210210302132
542021023202
64140404514
71032463210
oct244446236
9100155101
1043142302
11223974a5
121254673a
138c26bb8
145a305b0
153bc2d87
hex2924c9e

43142302 has 16 divisors (see below), whose sum is σ = 74723040. Its totient is φ = 18298368.

The previous prime is 43142213. The next prime is 43142303. The reversal of 43142302 is 20324134.

It is a super-2 number, since 2×431423022 = 3722516443718408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43142302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14527 + ... + 17242.

It is an arithmetic number, because the mean of its divisors is an integer number (4670190).

Almost surely, 243142302 is an apocalyptic number.

43142302 is a deficient number, since it is larger than the sum of its proper divisors (31580738).

43142302 is a wasteful number, since it uses less digits than its factorization.

43142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43142302 is about 6568.2799879420. The cubic root of 43142302 is about 350.7258460476.

Adding to 43142302 its reverse (20324134), we get a palindrome (63466436).

The spelling of 43142302 in words is "forty-three million, one hundred forty-two thousand, three hundred two".

Divisors: 1 2 7 14 97 194 679 1358 31769 63538 222383 444766 3081593 6163186 21571151 43142302