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52840079 = 476911627
BaseRepresentation
bin1100100110010…
…0011010001111
310200102112221222
43021210122033
5102011340304
65124313555
71211063465
oct311443217
9120375858
1052840079
1127910596
12158428bb
13ac41026
147036835
15498b4be
hex326468f

52840079 has 8 divisors (see below), whose sum is σ = 54075648. Its totient is φ = 51609240.

The previous prime is 52840061. The next prime is 52840093. The reversal of 52840079 is 97004825.

It is a happy number.

52840079 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 52840079 - 28 = 52839823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840009) 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, 31664 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (6759456).

Almost surely, 252840079 is an apocalyptic number.

52840079 is a deficient number, since it is larger than the sum of its proper divisors (1235569).

52840079 is a wasteful number, since it uses less digits than its factorization.

52840079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52840079 is about 7269.1181721031. The cubic root of 52840079 is about 375.2503904048.

The spelling of 52840079 in words is "fifty-two million, eight hundred forty thousand, seventy-nine".

Divisors: 1 47 691 1627 32477 76469 1124257 52840079