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52448550 = 235271119239
BaseRepresentation
bin1100100000010…
…0110100100110
310122200122212220
43020010310212
5101411323200
65112053210
71204543140
oct310046446
9118618786
1052448550
1127673410
1215694206
13ab34a5b
146d73c90
1549104a0
hex3204d26

52448550 has 192 divisors, whose sum is σ = 171417600. Its totient is φ = 10281600.

The previous prime is 52448537. The next prime is 52448567. The reversal of 52448550 is 5584425.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 219331 + ... + 219569.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 252448550 is an apocalyptic number.

52448550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52448550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85708800).

52448550 is an abundant number, since it is smaller than the sum of its proper divisors (118969050).

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

52448550 is a wasteful number, since it uses less digits than its factorization.

52448550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 52448550 is about 7242.1371155205. The cubic root of 52448550 is about 374.3212611329.

The spelling of 52448550 in words is "fifty-two million, four hundred forty-eight thousand, five hundred fifty".