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52711011 = 3218673137
BaseRepresentation
bin1100100100010…
…0111001100011
310200011222220200
43021010321203
5101443223021
65121440243
71210015263
oct311047143
9120158820
1052711011
1127832621
12157a0083
13abc7362
1470017a3
154963126
hex3244e63

52711011 has 12 divisors (see below), whose sum is σ = 76203192. Its totient is φ = 35110656.

The previous prime is 52711007. The next prime is 52711063. The reversal of 52711011 is 11011725.

It is a happy number.

It is not a de Polignac number, because 52711011 - 22 = 52711007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52711081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15235 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (6350266).

Almost surely, 252711011 is an apocalyptic number.

52711011 is a deficient number, since it is larger than the sum of its proper divisors (23492181).

52711011 is a wasteful number, since it uses less digits than its factorization.

52711011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 52711011 is about 7260.2349135548. The cubic root of 52711011 is about 374.9446104857.

Adding to 52711011 its reverse (11011725), we get a palindrome (63722736).

The spelling of 52711011 in words is "fifty-two million, seven hundred eleven thousand, eleven".

Divisors: 1 3 9 1867 3137 5601 9411 16803 28233 5856779 17570337 52711011