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52336421 = 1715719609
BaseRepresentation
bin1100011110100…
…1011100100101
310122110222001222
43013221130211
5101344231141
65105430125
71203565214
oct307513445
9118428058
1052336421
11275a7145
121563b345
13aac59c7
146d4507b
1548dc14b
hex31e9725

52336421 has 8 divisors (see below), whose sum is σ = 55770840. Its totient is φ = 48941568.

The previous prime is 52336411. The next prime is 52336423. The reversal of 52336421 is 12463325.

It can be written as a sum of positive squares in 4 ways, for example, as 27196225 + 25140196 = 5215^2 + 5014^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52336421 - 26 = 52336357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52336423) 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, 7136 + ... + 12473.

It is an arithmetic number, because the mean of its divisors is an integer number (6971355).

Almost surely, 252336421 is an apocalyptic number.

It is an amenable number.

52336421 is a deficient number, since it is larger than the sum of its proper divisors (3434419).

52336421 is a wasteful number, since it uses less digits than its factorization.

52336421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783.

The product of its digits is 4320, while the sum is 26.

The square root of 52336421 is about 7234.3915431776. The cubic root of 52336421 is about 374.0543187998.

Adding to 52336421 its reverse (12463325), we get a palindrome (64799746).

The spelling of 52336421 in words is "fifty-two million, three hundred thirty-six thousand, four hundred twenty-one".

Divisors: 1 17 157 2669 19609 333353 3078613 52336421