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52907243 = 431230401
BaseRepresentation
bin1100100111010…
…0110011101011
310200112222002112
43021310303223
5102021012433
65125552535
71211463344
oct311646353
9120488075
1052907243
1127956aa4
121587574b
13ac6577c
1470530cb
1549a1348
hex3274ceb

52907243 has 4 divisors (see below), whose sum is σ = 54137688. Its totient is φ = 51676800.

The previous prime is 52907233. The next prime is 52907269. The reversal of 52907243 is 34270925.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52907243 is a prime.

It is a super-2 number, since 2×529072432 = 5598352723722098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52907233) 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, 615158 + ... + 615243.

It is an arithmetic number, because the mean of its divisors is an integer number (13534422).

Almost surely, 252907243 is an apocalyptic number.

52907243 is a deficient number, since it is larger than the sum of its proper divisors (1230445).

52907243 is a wasteful number, since it uses less digits than its factorization.

52907243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230444.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 52907243 is about 7273.7365225859. The cubic root of 52907243 is about 375.4093142542.

The spelling of 52907243 in words is "fifty-two million, nine hundred seven thousand, two hundred forty-three".

Divisors: 1 43 1230401 52907243