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52204992 = 2637231179
BaseRepresentation
bin1100011100100…
…1010111000000
310122020021210020
43013021113000
5101331024432
65102533440
71202510100
oct307112700
9118207706
1052204992
1127517424
1215597280
13aa7ac38
146d0d200
1548b322c
hex31c95c0

52204992 has 168 divisors, whose sum is σ = 166786560. Its totient is φ = 14353920.

The previous prime is 52204973. The next prime is 52205003. The reversal of 52204992 is 29940225.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×522049922 = 5450722379440128, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 291559 + ... + 291737.

Almost surely, 252204992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83393280).

52204992 is an abundant number, since it is smaller than the sum of its proper divisors (114581568).

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

52204992 is a wasteful number, since it uses less digits than its factorization.

52204992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 52204992 is about 7225.3022082125. The cubic root of 52204992 is about 373.7409436924.

The spelling of 52204992 in words is "fifty-two million, two hundred four thousand, nine hundred ninety-two".