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2130393 = 37989101
BaseRepresentation
bin1000001000000111011001
311000020100110
420020013121
51021133033
6113354533
724052026
oct10100731
94006313
102130393
111225661
12868a49
135978b5
143d654d
152c1363
hex2081d9

2130393 has 16 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 1372800.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130393 is 3930312.

It is not a de Polignac number, because 2130393 - 21 = 2130391 is a prime.

2130393 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21043 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

22130393 is an apocalyptic number.

It is an amenable number.

2130393 is a deficient number, since it is larger than the sum of its proper divisors (807207).

2130393 is a wasteful number, since it uses less digits than its factorization.

2130393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2130393 is about 1459.5865853042. The cubic root of 2130393 is about 128.6727478251.

The spelling of 2130393 in words is "two million, one hundred thirty thousand, three hundred ninety-three".

Divisors: 1 3 79 89 101 237 267 303 7031 7979 8989 21093 23937 26967 710131 2130393