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52107211 = 1337127853
BaseRepresentation
bin1100011011000…
…1011111001011
310122001022122201
43012301133023
5101314412321
65100501031
71201622032
oct306613713
9118038581
1052107211
112745aa12
121554a777
13aa45590
146cc5719
154894291
hex31b17cb

52107211 has 16 divisors (see below), whose sum is σ = 58153984. Its totient is φ = 46376064.

The previous prime is 52107199. The next prime is 52107217. The reversal of 52107211 is 11270125.

It is a cyclic number.

It is not a de Polignac number, because 52107211 - 215 = 52074443 is a prime.

It is a super-2 number, since 2×521072112 = 5430322876397042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52107217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60661 + ... + 61513.

It is an arithmetic number, because the mean of its divisors is an integer number (3634624).

Almost surely, 252107211 is an apocalyptic number.

52107211 is a deficient number, since it is larger than the sum of its proper divisors (6046773).

52107211 is a wasteful number, since it uses less digits than its factorization.

52107211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 52107211 is about 7218.5324685839. The cubic root of 52107211 is about 373.5074564214.

Adding to 52107211 its reverse (11270125), we get a palindrome (63377336).

It can be divided in two parts, 5210 and 7211, that added together give a palindrome (12421).

The spelling of 52107211 in words is "fifty-two million, one hundred seven thousand, two hundred eleven".

Divisors: 1 13 37 127 481 853 1651 4699 11089 31561 61087 108331 410293 1408303 4008247 52107211