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52929869 = 371738269
BaseRepresentation
bin1100100111101…
…0010101001101
310200121010010112
43021322111031
5102022223434
65130245405
71211616326
oct311722515
9120533115
1052929869
1127971aa3
1215886865
13ac72b65
14705b44d
1549a7dce
hex327a54d

52929869 has 8 divisors (see below), whose sum is σ = 54681240. Its totient is φ = 51195456.

The previous prime is 52929829. The next prime is 52929871. The reversal of 52929869 is 96892925.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42445225 + 10484644 = 6515^2 + 3238^2 .

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 52929869 - 216 = 52864333 is a prime.

It is a super-2 number, since 2×529298692 = 5603142064714322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52929809) 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, 2267 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (6835155).

Almost surely, 252929869 is an apocalyptic number.

It is an amenable number.

52929869 is a deficient number, since it is larger than the sum of its proper divisors (1751371).

52929869 is a wasteful number, since it uses less digits than its factorization.

52929869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479.

The product of its digits is 699840, while the sum is 50.

The square root of 52929869 is about 7275.2916780016. The cubic root of 52929869 is about 375.4628217396.

The spelling of 52929869 in words is "fifty-two million, nine hundred twenty-nine thousand, eight hundred sixty-nine".

Divisors: 1 37 173 6401 8269 305953 1430537 52929869