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52445952 = 28321317103
BaseRepresentation
bin1100100000010…
…0001100000000
310122200112022200
43020010030000
5101411232302
65112033200
71204532436
oct310041400
9118615280
1052445952
1127671469
1215692800
13ab33810
146d72d56
15490e81c
hex3204300

52445952 has 216 divisors, whose sum is σ = 174099744. Its totient is φ = 15040512.

The previous prime is 52445933. The next prime is 52445959. The reversal of 52445952 is 25954425.

52445952 is a `hidden beast` number, since 524 + 45 + 95 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52445959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509133 + ... + 509235.

Almost surely, 252445952 is an apocalyptic number.

52445952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52445952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87049872).

52445952 is an abundant number, since it is smaller than the sum of its proper divisors (121653792).

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

52445952 is a wasteful number, since it uses less digits than its factorization.

52445952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 138 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 52445952 is about 7241.9577463556. The cubic root of 52445952 is about 374.3150804555.

The spelling of 52445952 in words is "fifty-two million, four hundred forty-five thousand, nine hundred fifty-two".