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1376922228 = 2231110431229
BaseRepresentation
bin101001000010010…
…0010101001110100
310112221220220012120
41102010202221310
510304443002403
6344344115540
746056434343
oct12204425164
93487826176
101376922228
11647267060
12325165bb0
1318c35b4a6
14d0c25b5a
1580d36e53
hex52122a74

1376922228 has 24 divisors (see below), whose sum is σ = 3504893280. Its totient is φ = 417249120.

The previous prime is 1376922227. The next prime is 1376922251. The reversal of 1376922228 is 8222296731.

It is a self number, because there is not a number n which added to its sum of digits gives 1376922228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376922227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215483 + ... + 5215746.

It is an arithmetic number, because the mean of its divisors is an integer number (146037220).

Almost surely, 21376922228 is an apocalyptic number.

It is an amenable number.

1376922228 is an abundant number, since it is smaller than the sum of its proper divisors (2127971052).

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

1376922228 is a wasteful number, since it uses less digits than its factorization.

1376922228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431247 (or 10431245 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 1376922228 is about 37106.9027001716. The cubic root of 1376922228 is about 1112.5079854327.

The spelling of 1376922228 in words is "one billion, three hundred seventy-six million, nine hundred twenty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 10431229 20862458 31293687 41724916 62587374 114743519 125174748 229487038 344230557 458974076 688461114 1376922228