Search a number
-
+
60225361 = 726120149
BaseRepresentation
bin1110010110111…
…1011101010001
311012022202122221
43211233131101
5110404202421
65550501041
71330623100
oct345573521
9135282587
1060225361
1130aa5229
1218204781
13c628711
147dda037
155449841
hex396f751

60225361 has 12 divisors (see below), whose sum is σ = 71210100. Its totient is φ = 50772960.

The previous prime is 60225359. The next prime is 60225379. The reversal of 60225361 is 16352206.

It can be written as a sum of positive squares in 2 ways, for example, as 12006225 + 48219136 = 3465^2 + 6944^2 .

It is not a de Polignac number, because 60225361 - 21 = 60225359 is a prime.

It is the 7761-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60220361) by changing a digit.

It is a nontrivial repunit in base 7760.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7086 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (5934175).

Almost surely, 260225361 is an apocalyptic number.

60225361 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

60225361 is a deficient number, since it is larger than the sum of its proper divisors (10984739).

60225361 is a wasteful number, since it uses less digits than its factorization.

60225361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20224 (or 20217 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 60225361 is about 7760.5000483216. The cubic root of 60225361 is about 391.9762953353.

Adding to 60225361 its reverse (16352206), we get a palindrome (76577567).

The spelling of 60225361 in words is "sixty million, two hundred twenty-five thousand, three hundred sixty-one".

Divisors: 1 7 49 61 427 2989 20149 141043 987301 1229089 8603623 60225361