Search a number
-
+
228652774 = 2716332341
BaseRepresentation
bin11011010000011…
…11011011100110
3120221020202122021
431220033123212
5432013342044
634404453354
75444342110
oct1550173346
9527222567
10228652774
11108083239
12646aa25a
13384a9ccc
14225203b0
1515118e84
hexda0f6e6

228652774 has 8 divisors (see below), whose sum is σ = 391976208. Its totient is φ = 97994040.

The previous prime is 228652769. The next prime is 228652811. The reversal of 228652774 is 477256822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2286527743 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228652774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8166157 + ... + 8166184.

It is an arithmetic number, because the mean of its divisors is an integer number (48997026).

Almost surely, 2228652774 is an apocalyptic number.

228652774 is a deficient number, since it is larger than the sum of its proper divisors (163323434).

228652774 is a wasteful number, since it uses less digits than its factorization.

228652774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16332350.

The product of its digits is 376320, while the sum is 43.

The square root of 228652774 is about 15121.2689282348. The cubic root of 228652774 is about 611.4939410215.

The spelling of 228652774 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, seven hundred seventy-four".

Divisors: 1 2 7 14 16332341 32664682 114326387 228652774