Search a number
-
+
53412520 = 2357190759
BaseRepresentation
bin1100101111000…
…0001010101000
310201111122012111
43023300022220
5102133200040
65144452104
71215666430
oct313601250
9121448174
1053412520
1128171687
1215a7a034
13b0b1755
1471452c0
154a50dea
hex32f02a8

53412520 has 32 divisors (see below), whose sum is σ = 137347200. Its totient is φ = 18312768.

The previous prime is 53412503. The next prime is 53412533. The reversal of 53412520 is 2521435.

It is a junction number, because it is equal to n+sod(n) for n = 53412491 and 53412500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95100 + ... + 95659.

It is an arithmetic number, because the mean of its divisors is an integer number (4292100).

Almost surely, 253412520 is an apocalyptic number.

It is an amenable number.

53412520 is an abundant number, since it is smaller than the sum of its proper divisors (83934680).

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

53412520 is a wasteful number, since it uses less digits than its factorization.

53412520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190777 (or 190773 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53412520 is about 7308.3869629351. The cubic root of 53412520 is about 376.6006131943.

Adding to 53412520 its reverse (2521435), we get a palindrome (55933955).

The spelling of 53412520 in words is "fifty-three million, four hundred twelve thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 190759 381518 763036 953795 1335313 1526072 1907590 2670626 3815180 5341252 6676565 7630360 10682504 13353130 26706260 53412520