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2093481 = 321329617
BaseRepresentation
bin111111111000110101001
310221100201100
413333012221
51013442411
6112512013
723536305
oct7770651
93840640
102093481
1111aa955
1284b609
13583b60
143c6d05
152b5456
hex1ff1a9

2093481 has 24 divisors (see below), whose sum is σ = 3374280. Its totient is φ = 1241856.

The previous prime is 2093467. The next prime is 2093489. The reversal of 2093481 is 1843902.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 2073600 = 141^2 + 1440^2 .

It is not a de Polignac number, because 2093481 - 25 = 2093449 is a prime.

It is a super-2 number, since 2×20934812 = 8765325394722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2093489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3085 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (140595).

22093481 is an apocalyptic number.

It is an amenable number.

2093481 is a deficient number, since it is larger than the sum of its proper divisors (1280799).

2093481 is a wasteful number, since it uses less digits than its factorization.

2093481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2093481 is about 1446.8866576204. The cubic root of 2093481 is about 127.9252696925.

The spelling of 2093481 in words is "two million, ninety-three thousand, four hundred eighty-one".

Divisors: 1 3 9 13 29 39 87 117 261 377 617 1131 1851 3393 5553 8021 17893 24063 53679 72189 161037 232609 697827 2093481