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2155348 = 2213181229
BaseRepresentation
bin1000001110001101010100
311001111120201
420032031110
51022432343
6114110244
724214546
oct10161524
94044521
102155348
111242388
1287b384
135a6070
14401696
152c894d
hex20e354

2155348 has 24 divisors (see below), whose sum is σ = 4102280. Its totient is φ = 984960.

The previous prime is 2155333. The next prime is 2155381. The reversal of 2155348 is 8435512.

It can be written as a sum of positive squares in 4 ways, for example, as 29584 + 2125764 = 172^2 + 1458^2 .

It is a super-2 number, since 2×21553482 = 9291050002208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9298 + ... + 9526.

22155348 is an apocalyptic number.

It is an amenable number.

2155348 is a deficient number, since it is larger than the sum of its proper divisors (1946932).

2155348 is a wasteful number, since it uses less digits than its factorization.

2155348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 2155348 is about 1468.1103500759. The cubic root of 2155348 is about 129.1732144212.

The spelling of 2155348 in words is "two million, one hundred fifty-five thousand, three hundred forty-eight".

Divisors: 1 2 4 13 26 52 181 229 362 458 724 916 2353 2977 4706 5954 9412 11908 41449 82898 165796 538837 1077674 2155348