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52749134 = 247561161
BaseRepresentation
bin1100100100111…
…0001101001110
310200020221012122
43021032031032
5102000433014
65122332542
71210234364
oct311161516
9120227178
1052749134
1127859229
12157ba152
13ac0b809
147011634
15496e58e
hex324e34e

52749134 has 8 divisors (see below), whose sum is σ = 80807328. Its totient is φ = 25813360.

The previous prime is 52749131. The next prime is 52749157. The reversal of 52749134 is 43194725.

52749134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×527491342 = 5564942275499912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52749094 and 52749103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52749131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280487 + ... + 280674.

It is an arithmetic number, because the mean of its divisors is an integer number (10100916).

Almost surely, 252749134 is an apocalyptic number.

52749134 is a deficient number, since it is larger than the sum of its proper divisors (28058194).

52749134 is a wasteful number, since it uses less digits than its factorization.

52749134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561210.

The product of its digits is 30240, while the sum is 35.

The square root of 52749134 is about 7262.8599050236. The cubic root of 52749134 is about 375.0349810331.

The spelling of 52749134 in words is "fifty-two million, seven hundred forty-nine thousand, one hundred thirty-four".

Divisors: 1 2 47 94 561161 1122322 26374567 52749134