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1390062 = 23231677
BaseRepresentation
bin101010011010111101110
32121121210210
411103113232
5323440222
645443250
714546442
oct5232756
92547723
101390062
1186a413
12570526
1339892b
14282822
151c6d0c
hex1535ee

1390062 has 8 divisors (see below), whose sum is σ = 2780136. Its totient is φ = 463352.

The previous prime is 1390043. The next prime is 1390069. The reversal of 1390062 is 2600931.

It is a sphenic number, since it is the product of 3 distinct primes.

1390062 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115833 + ... + 115844.

It is an arithmetic number, because the mean of its divisors is an integer number (347517).

21390062 is an apocalyptic number.

1390062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1390062 is a wasteful number, since it uses less digits than its factorization.

1390062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231682.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1390062 is about 1179.0089058188. The cubic root of 1390062 is about 111.6035622763.

Subtracting from 1390062 its sum of digits (21), we obtain a square (1390041 = 11792).

Adding to 1390062 its reverse (2600931), we get a palindrome (3990993).

The spelling of 1390062 in words is "one million, three hundred ninety thousand, sixty-two".

Divisors: 1 2 3 6 231677 463354 695031 1390062