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52047450 = 232527133141
BaseRepresentation
bin1100011010001…
…0111001011010
310121221021200100
43012202321122
5101311004300
65055320230
71201252560
oct306427132
9117837610
1052047450
112741a024
1215520076
13aa24310
146caba30
154881700
hex31a2e5a

52047450 has 288 divisors, whose sum is σ = 181988352. Its totient is φ = 10368000.

The previous prime is 52047449. The next prime is 52047451. The reversal of 52047450 is 5474025.

52047450 is a `hidden beast` number, since 5 + 204 + 7 + 450 = 666.

52047450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52047449) and next prime (52047451).

It is not an unprimeable number, because it can be changed into a prime (52047451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1269430 + ... + 1269470.

It is an arithmetic number, because the mean of its divisors is an integer number (631904).

Almost surely, 252047450 is an apocalyptic number.

52047450 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 52047450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90994176).

52047450 is an abundant number, since it is smaller than the sum of its proper divisors (129940902).

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

52047450 is a wasteful number, since it uses less digits than its factorization.

52047450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52047450 is about 7214.3918662629. The cubic root of 52047450 is about 373.3646117147.

The spelling of 52047450 in words is "fifty-two million, forty-seven thousand, four hundred fifty".