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7012381 = 17412493
BaseRepresentation
bin11010110000000000011101
3111012021011211
4122300000131
53243344011
6410144421
7113414155
oct32600035
914167154
107012381
113a5a562
122422111
1315b6a4c
14d07765
15937b21
hex6b001d

7012381 has 4 divisors (see below), whose sum is σ = 7424892. Its totient is φ = 6599872.

The previous prime is 7012373. The next prime is 7012391. The reversal of 7012381 is 1832107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 931225 = 2466^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012381 - 23 = 7012373 is a prime.

It is a super-2 number, since 2×70123812 = 98346974578322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7012331) 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, 206230 + ... + 206263.

It is an arithmetic number, because the mean of its divisors is an integer number (1856223).

Almost surely, 27012381 is an apocalyptic number.

It is an amenable number.

7012381 is a deficient number, since it is larger than the sum of its proper divisors (412511).

7012381 is a wasteful number, since it uses less digits than its factorization.

7012381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412510.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 7012381 is about 2648.0900664441. The cubic root of 7012381 is about 191.4058328071.

Adding to 7012381 its reverse (1832107), we get a palindrome (8844488).

The spelling of 7012381 in words is "seven million, twelve thousand, three hundred eighty-one".

Divisors: 1 17 412493 7012381