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52840605 = 3522915383
BaseRepresentation
bin1100100110010…
…0100010011101
310200102120200110
43021210202131
5102011344410
65124320233
71211065146
oct311444235
9120376613
1052840605
1127910a24
1215843079
13ac4133c
147036acd
15498b720
hex326489d

52840605 has 16 divisors (see below), whose sum is σ = 84919680. Its totient is φ = 28056768.

The previous prime is 52840561. The next prime is 52840631. The reversal of 52840605 is 50604825.

It is not a de Polignac number, because 52840605 - 29 = 52840093 is a prime.

It is a super-3 number, since 3×528406053 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (5307480).

Almost surely, 252840605 is an apocalyptic number.

It is an amenable number.

52840605 is a deficient number, since it is larger than the sum of its proper divisors (32079075).

52840605 is a wasteful number, since it uses less digits than its factorization.

52840605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 52840605 is about 7269.1543524677. The cubic root of 52840605 is about 375.2516355521.

The spelling of 52840605 in words is "fifty-two million, eight hundred forty thousand, six hundred five".

Divisors: 1 3 5 15 229 687 1145 3435 15383 46149 76915 230745 3522707 10568121 17613535 52840605