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52142302 = 234775133
BaseRepresentation
bin1100011011101…
…0000011011110
310122010002210101
43012322003132
5101322023202
65101331314
71202126242
oct306720336
9118102711
1052142302
1127484313
1215566b3a
13aa58544
146cd4422
15489e887
hex31ba0de

52142302 has 8 divisors (see below), whose sum is σ = 78439896. Its totient is φ = 25995672.

The previous prime is 52142267. The next prime is 52142309. The reversal of 52142302 is 20324125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52142302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142309) 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, 36873 + ... + 38260.

It is an arithmetic number, because the mean of its divisors is an integer number (9804987).

Almost surely, 252142302 is an apocalyptic number.

52142302 is a deficient number, since it is larger than the sum of its proper divisors (26297594).

52142302 is a wasteful number, since it uses less digits than its factorization.

52142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75482.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52142302 is about 7220.9626782030. The cubic root of 52142302 is about 373.5912823693.

Adding to 52142302 its reverse (20324125), we get a palindrome (72466427).

The spelling of 52142302 in words is "fifty-two million, one hundred forty-two thousand, three hundred two".

Divisors: 1 2 347 694 75133 150266 26071151 52142302