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52488340 = 2253677151
BaseRepresentation
bin1100100000111…
…0100010010100
310122202200110121
43020032202110
5101414111330
65113001324
71205100142
oct310164224
9118680417
1052488340
11276a02a3
12156b3244
13ab49bb8
146d84592
15491c17a
hex320e894

52488340 has 24 divisors (see below), whose sum is σ = 110541312. Its totient is φ = 20935200.

The previous prime is 52488329. The next prime is 52488353. The reversal of 52488340 is 4388425.

It is a junction number, because it is equal to n+sod(n) for n = 52488296 and 52488305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (4605888).

Almost surely, 252488340 is an apocalyptic number.

It is an amenable number.

52488340 is an abundant number, since it is smaller than the sum of its proper divisors (58052972).

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

52488340 is a wasteful number, since it uses less digits than its factorization.

52488340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527 (or 7525 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 52488340 is about 7244.8837119722. The cubic root of 52488340 is about 374.4158965935.

The spelling of 52488340 in words is "fifty-two million, four hundred eighty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 367 734 1468 1835 3670 7151 7340 14302 28604 35755 71510 143020 2624417 5248834 10497668 13122085 26244170 52488340