Search a number
-
+
228627465 = 35111385621
BaseRepresentation
bin11011010000010…
…01010000001001
3120221012110220220
431220021100021
5432012034330
634404140253
75444205243
oct1550112011
9527173826
10228627465
11108066220
1264697689
133849b631
1422515093
1515111710
hexda09409

228627465 has 16 divisors (see below), whose sum is σ = 399059136. Its totient is φ = 110849600.

The previous prime is 228627409. The next prime is 228627467. The reversal of 228627465 is 564726822.

It is not a de Polignac number, because 228627465 - 213 = 228619273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228627467) 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, 692646 + ... + 692975.

It is an arithmetic number, because the mean of its divisors is an integer number (24941196).

Almost surely, 2228627465 is an apocalyptic number.

It is an amenable number.

228627465 is a deficient number, since it is larger than the sum of its proper divisors (170431671).

228627465 is a wasteful number, since it uses less digits than its factorization.

228627465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385640.

The product of its digits is 322560, while the sum is 42.

The square root of 228627465 is about 15120.4320374783. The cubic root of 228627465 is about 611.4713786140.

The spelling of 228627465 in words is "two hundred twenty-eight million, six hundred twenty-seven thousand, four hundred sixty-five".

Divisors: 1 3 5 11 15 33 55 165 1385621 4156863 6928105 15241831 20784315 45725493 76209155 228627465