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52436424 = 23318112071
BaseRepresentation
bin1100100000000…
…1110111001000
310122200001020210
43020001313020
5101410431144
65111521120
71204462605
oct310016710
9118601223
1052436424
1127665297
12156891a0
13ab2c391
146d6d6ac
15490bab9
hex3201dc8

52436424 has 32 divisors (see below), whose sum is σ = 131826240. Its totient is φ = 17380800.

The previous prime is 52436401. The next prime is 52436429. The reversal of 52436424 is 42463425.

52436424 = T347 + T348 + ... + T708.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52436391 and 52436400.

It is not an unprimeable number, because it can be changed into a prime (52436429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (4119570).

Almost surely, 252436424 is an apocalyptic number.

It is an amenable number.

52436424 is an abundant number, since it is smaller than the sum of its proper divisors (79389816).

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

52436424 is a wasteful number, since it uses less digits than its factorization.

52436424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261 (or 12257 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 52436424 is about 7241.2998833082. The cubic root of 52436424 is about 374.2924114668.

Adding to 52436424 its reverse (42463425), we get a palindrome (94899849).

The spelling of 52436424 in words is "fifty-two million, four hundred thirty-six thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 2172 4344 12071 24142 36213 48284 72426 96568 144852 289704 2184851 4369702 6554553 8739404 13109106 17478808 26218212 52436424