Search a number
-
+
538386775 = 5235361007
BaseRepresentation
bin100000000101110…
…010000101010111
31101112001212210221
4200011302011113
52100311334100
6125231255211
716225132513
oct4005620527
91345055727
10538386775
112569a5a53
1213037a507
1387705574
1451709143
15323ec01a
hex20172157

538386775 has 12 divisors (see below), whose sum is σ = 669501792. Its totient is φ = 429482240.

The previous prime is 538386733. The next prime is 538386781. The reversal of 538386775 is 577683835.

It is not a de Polignac number, because 538386775 - 27 = 538386647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21679 + ... + 39328.

It is an arithmetic number, because the mean of its divisors is an integer number (55791816).

Almost surely, 2538386775 is an apocalyptic number.

538386775 is a deficient number, since it is larger than the sum of its proper divisors (131115017).

538386775 is a wasteful number, since it uses less digits than its factorization.

538386775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61370 (or 61365 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The square root of 538386775 is about 23203.1630386894. The cubic root of 538386775 is about 813.5135564110.

The spelling of 538386775 in words is "five hundred thirty-eight million, three hundred eighty-six thousand, seven hundred seventy-five".

Divisors: 1 5 25 353 1765 8825 61007 305035 1525175 21535471 107677355 538386775