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52199836 = 22133832621
BaseRepresentation
bin1100011100100…
…0000110011100
310122020000201021
43013020012130
5101330343321
65102453524
71202456053
oct307100634
9118200637
1052199836
1127513567
12155942a4
13aa787a0
146d0b39a
1548b1941
hex31c819c

52199836 has 24 divisors (see below), whose sum is σ = 98671104. Its totient is φ = 24020160.

The previous prime is 52199789. The next prime is 52199867. The reversal of 52199836 is 63899125.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52199792 and 52199801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18606 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (4111296).

Almost surely, 252199836 is an apocalyptic number.

It is an amenable number.

52199836 is a deficient number, since it is larger than the sum of its proper divisors (46471268).

52199836 is a wasteful number, since it uses less digits than its factorization.

52199836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 52199836 is about 7224.9453977175. The cubic root of 52199836 is about 373.7286391747.

It can be divided in two parts, 52199 and 836, that added together give a palindrome (53035).

The spelling of 52199836 in words is "fifty-two million, one hundred ninety-nine thousand, eight hundred thirty-six".

Divisors: 1 2 4 13 26 52 383 766 1532 2621 4979 5242 9958 10484 19916 34073 68146 136292 1003843 2007686 4015372 13049959 26099918 52199836