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52984921 = 1131155381
BaseRepresentation
bin1100101000011…
…1110001011001
310200200220122111
43022013301121
5102031004141
65131352321
71212235663
oct312076131
9120626574
1052984921
11279aa3a0
12158b26a1
13ac91c32
147073533
1549b9381
hex3287c59

52984921 has 8 divisors (see below), whose sum is σ = 59666688. Its totient is φ = 46614000.

The previous prime is 52984913. The next prime is 52984927. The reversal of 52984921 is 12948925.

52984921 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 cyclic number.

It is not a de Polignac number, because 52984921 - 23 = 52984913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52984927) 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 7 ways as a sum of consecutive naturals, for example, 77350 + ... + 78031.

It is an arithmetic number, because the mean of its divisors is an integer number (7458336).

Almost surely, 252984921 is an apocalyptic number.

It is an amenable number.

52984921 is a deficient number, since it is larger than the sum of its proper divisors (6681767).

52984921 is a wasteful number, since it uses less digits than its factorization.

52984921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155423.

The product of its digits is 51840, while the sum is 40.

The square root of 52984921 is about 7279.0741856365. The cubic root of 52984921 is about 375.5929487521.

The spelling of 52984921 in words is "fifty-two million, nine hundred eighty-four thousand, nine hundred twenty-one".

Divisors: 1 11 31 341 155381 1709191 4816811 52984921