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52840459 = 759971319
BaseRepresentation
bin1100100110010…
…0100000001011
310200102120111001
43021210200023
5102011343314
65124315431
71211064550
oct311444013
9120376431
1052840459
1127910901
1215842b77
13ac41259
147036a27
15498b674
hex326480b

52840459 has 16 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 44031744.

The previous prime is 52840427. The next prime is 52840481. The reversal of 52840459 is 95404825.

It is a cyclic number.

It is not a de Polignac number, because 52840459 - 25 = 52840427 is a prime.

It is a super-2 number, since 2×528404592 = 5584228214661362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52840859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39402 + ... + 40720.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 252840459 is an apocalyptic number.

52840459 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

52840459 is a deficient number, since it is larger than the sum of its proper divisors (9252341).

52840459 is a wasteful number, since it uses less digits than its factorization.

52840459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52840459 is about 7269.1443100271. The cubic root of 52840459 is about 375.2512899417.

The spelling of 52840459 in words is "fifty-two million, eight hundred forty thousand, four hundred fifty-nine".

Divisors: 1 7 59 97 413 679 1319 5723 9233 40061 77821 127943 544747 895601 7548637 52840459