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2378228 = 224571301
BaseRepresentation
bin1001000100100111110100
311110211022112
421010213310
51102100403
6122550152
726133416
oct11044764
94424275
102378228
111384886
12968358
13653648
1445c9b6
1531e9d8
hex2449f4

2378228 has 12 divisors (see below), whose sum is σ = 4174212. Its totient is φ = 1185600.

The previous prime is 2378221. The next prime is 2378237. The reversal of 2378228 is 8228732.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 1582564 = 892^2 + 1258^2 .

It is a d-powerful number, because it can be written as 2 + 34 + 74 + 82 + 214 + 221 + 86 .

It is a junction number, because it is equal to n+sod(n) for n = 2378194 and 2378203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (347851).

22378228 is an apocalyptic number.

It is an amenable number.

2378228 is a deficient number, since it is larger than the sum of its proper divisors (1795984).

2378228 is a wasteful number, since it uses less digits than its factorization.

2378228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1760 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 2378228 is about 1542.1504466167. The cubic root of 2378228 is about 133.4805013908.

The spelling of 2378228 in words is "two million, three hundred seventy-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 457 914 1301 1828 2602 5204 594557 1189114 2378228