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52894921 = 1392411579
BaseRepresentation
bin1100100111000…
…1110011001001
310200112100012011
43021301303021
5102020114141
65125415521
71211412412
oct311616311
9120470164
1052894921
1127948812
121586a5a1
13ac5cc91
14704c809
15499c881
hex3271cc9

52894921 has 8 divisors (see below), whose sum is σ = 53530400. Its totient is φ = 52263360.

The previous prime is 52894909. The next prime is 52894949. The reversal of 52894921 is 12949825.

52894921 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 52894921 - 29 = 52894409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52894421) 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, 32710 + ... + 34288.

It is an arithmetic number, because the mean of its divisors is an integer number (6691300).

Almost surely, 252894921 is an apocalyptic number.

It is an amenable number.

52894921 is a deficient number, since it is larger than the sum of its proper divisors (635479).

52894921 is a wasteful number, since it uses less digits than its factorization.

52894921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959.

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

The square root of 52894921 is about 7272.8894533053. The cubic root of 52894921 is about 375.3801679441.

The spelling of 52894921 in words is "fifty-two million, eight hundred ninety-four thousand, nine hundred twenty-one".

Divisors: 1 139 241 1579 33499 219481 380539 52894921