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52445091 = 347371951
BaseRepresentation
bin1100100000001…
…1111110100011
310122200111010210
43020003332203
5101411220331
65112025203
71204530066
oct310037643
9118614123
1052445091
1127670856
1215692203
13ab332ca
146d728dd
15490e446
hex3203fa3

52445091 has 8 divisors (see below), whose sum is σ = 71414784. Its totient is φ = 34219400.

The previous prime is 52445069. The next prime is 52445101. The reversal of 52445091 is 19054425.

52445091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52445091 - 25 = 52445059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52445291) 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 7 ways as a sum of consecutive naturals, for example, 185835 + ... + 186116.

It is an arithmetic number, because the mean of its divisors is an integer number (8926848).

Almost surely, 252445091 is an apocalyptic number.

52445091 is a deficient number, since it is larger than the sum of its proper divisors (18969693).

52445091 is a wasteful number, since it uses less digits than its factorization.

52445091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372001.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 52445091 is about 7241.8983008601. The cubic root of 52445091 is about 374.3130320798.

The spelling of 52445091 in words is "fifty-two million, four hundred forty-five thousand, ninety-one".

Divisors: 1 3 47 141 371951 1115853 17481697 52445091