Search a number
-
+
228526344 = 233223137999
BaseRepresentation
bin11011001111100…
…00100100001000
3120221000100012200
431213300210020
5432000320334
634402040200
75443304364
oct1547604410
9527010180
10228526344
11107aa7252
1264649060
13384645b7
14224ca2a4
15150e1799
hexd9f0908

228526344 has 48 divisors (see below), whose sum is σ = 645840000. Its totient is φ = 72862944.

The previous prime is 228526297. The next prime is 228526373. The reversal of 228526344 is 443625822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 228526299 and 228526308.

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, 67344 + ... + 70655.

It is an arithmetic number, because the mean of its divisors is an integer number (13455000).

Almost surely, 2228526344 is an apocalyptic number.

228526344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228526344 is an abundant number, since it is smaller than the sum of its proper divisors (417313656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228526344 is a wasteful number, since it uses less digits than its factorization.

228526344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138034 (or 138027 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 228526344 is about 15117.0878147876. The cubic root of 228526344 is about 611.3812148832.

The spelling of 228526344 in words is "two hundred twenty-eight million, five hundred twenty-six thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 137999 275998 413997 551996 827994 1103992 1241991 1655988 2483982 3173977 3311976 4967964 6347954 9521931 9935928 12695908 19043862 25391816 28565793 38087724 57131586 76175448 114263172 228526344