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52048920 = 233571143131
BaseRepresentation
bin1100011010001…
…1010000011000
310121221100200210
43012203100120
5101311031140
65055331120
71201260060
oct306432030
9117840623
1052048920
1127420140
1215520aa0
13aa24ba1
146cac3a0
154881d80
hex31a3418

52048920 has 256 divisors, whose sum is σ = 200724480. Its totient is φ = 10483200.

The previous prime is 52048901. The next prime is 52048933. The reversal of 52048920 is 2984025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397255 + ... + 397385.

It is an arithmetic number, because the mean of its divisors is an integer number (784080).

Almost surely, 252048920 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 52048920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100362240).

52048920 is an abundant number, since it is smaller than the sum of its proper divisors (148675560).

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

52048920 is a wasteful number, since it uses less digits than its factorization.

52048920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52048920 is about 7214.4937452326. The cubic root of 52048920 is about 373.3681267176.

The spelling of 52048920 in words is "fifty-two million, forty-eight thousand, nine hundred twenty".