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52251684 = 2234354307
BaseRepresentation
bin1100011101010…
…0110000100100
310122022122211120
43013110300210
5101334023214
65103533540
71203063162
oct307246044
9118278746
1052251684
1127549511
12155ba2b0
13aa96274
146d22232
1548c1ea9
hex31d4c24

52251684 has 12 divisors (see below), whose sum is σ = 121920624. Its totient is φ = 17417224.

The previous prime is 52251677. The next prime is 52251697. The reversal of 52251684 is 48615225.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2177142 + ... + 2177165.

It is an arithmetic number, because the mean of its divisors is an integer number (10160052).

Almost surely, 252251684 is an apocalyptic number.

It is an amenable number.

52251684 is an abundant number, since it is smaller than the sum of its proper divisors (69668940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52251684 is a wasteful number, since it uses less digits than its factorization.

52251684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354314 (or 4354312 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 52251684 is about 7228.5326311776. The cubic root of 52251684 is about 373.8523347774.

The spelling of 52251684 in words is "fifty-two million, two hundred fifty-one thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 4354307 8708614 13062921 17417228 26125842 52251684