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53204747 = 173129691
BaseRepresentation
bin1100101011110…
…1011100001011
310201010002012012
43022331130023
5102110022442
65140210135
71214142611
oct312753413
9121102165
1053204747
112803a572
121599994b
13b03accb
1470cd6b1
154a0e582
hex32bd70b

53204747 has 4 divisors (see below), whose sum is σ = 56334456. Its totient is φ = 50075040.

The previous prime is 53204737. The next prime is 53204761. The reversal of 53204747 is 74740235.

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

It is a cyclic number.

It is not a de Polignac number, because 53204747 - 220 = 52156171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53204737) 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, 1564829 + ... + 1564862.

It is an arithmetic number, because the mean of its divisors is an integer number (14083614).

Almost surely, 253204747 is an apocalyptic number.

53204747 is a deficient number, since it is larger than the sum of its proper divisors (3129709).

53204747 is a wasteful number, since it uses less digits than its factorization.

53204747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129708.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 53204747 is about 7294.1584161574. The cubic root of 53204747 is about 376.1116571777. Note that the first 3 decimals are identical.

The spelling of 53204747 in words is "fifty-three million, two hundred four thousand, seven hundred forty-seven".

Divisors: 1 17 3129691 53204747