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52640611 = 471278819
BaseRepresentation
bin1100100011001…
…1101101100011
310200001102100021
43020303231203
5101433444421
65120134311
71206303112
oct310635543
9120042307
1052640611
1127794741
1215767397
13aba12ba
146dc3c79
15494c341
hex3233b63

52640611 has 8 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 51109128.

The previous prime is 52640587. The next prime is 52640641. The reversal of 52640611 is 11604625.

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 52640611 - 211 = 52638563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52640641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 10378.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 252640611 is an apocalyptic number.

52640611 is a deficient number, since it is larger than the sum of its proper divisors (1549469).

52640611 is a wasteful number, since it uses less digits than its factorization.

52640611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 52640611 is about 7255.3849656652. The cubic root of 52640611 is about 374.7776127357. Note that the first 3 decimals are identical.

The spelling of 52640611 in words is "fifty-two million, six hundred forty thousand, six hundred eleven".

Divisors: 1 47 127 5969 8819 414493 1120013 52640611