Search a number
-
+
52501625 = 531138183
BaseRepresentation
bin1100100001000…
…1110001111001
310122210100200122
43020101301321
5101420023000
65113143025
71205153651
oct310216171
9118710618
1052501625
11276aa280
12156baa75
13ab52c67
146d89361
154921085
hex3211c79

52501625 has 16 divisors (see below), whose sum is σ = 71480448. Its totient is φ = 38182000.

The previous prime is 52501621. The next prime is 52501633. The reversal of 52501625 is 52610525.

It is not a de Polignac number, because 52501625 - 22 = 52501621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52501594 and 52501603.

It is not an unprimeable number, because it can be changed into a prime (52501621) 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, 17717 + ... + 20466.

It is an arithmetic number, because the mean of its divisors is an integer number (4467528).

Almost surely, 252501625 is an apocalyptic number.

52501625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52501625 is a deficient number, since it is larger than the sum of its proper divisors (18978823).

52501625 is a wasteful number, since it uses less digits than its factorization.

52501625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38209 (or 38199 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 52501625 is about 7245.8005078804. The cubic root of 52501625 is about 374.4474826283.

Subtracting 52501625 from its reverse (52610525), we obtain a square (108900 = 3302).

The spelling of 52501625 in words is "fifty-two million, five hundred one thousand, six hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 38183 190915 420013 954575 2100065 4772875 10500325 52501625