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1380082 = 21162731
BaseRepresentation
bin101010000111011110010
32121010010011
411100323302
5323130312
645325134
714505364
oct5207362
92533104
101380082
11862970
125667aa
13394222
1427cd34
151c3da7
hex150ef2

1380082 has 8 divisors (see below), whose sum is σ = 2258352. Its totient is φ = 627300.

The previous prime is 1380053. The next prime is 1380083. The reversal of 1380082 is 2800831.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 62731 = 1380082 / (1 + 3 + 8 + 0 + 0 + 8 + 2).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1380083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31344 + ... + 31387.

It is an arithmetic number, because the mean of its divisors is an integer number (282294).

21380082 is an apocalyptic number.

1380082 is a deficient number, since it is larger than the sum of its proper divisors (878270).

1380082 is a wasteful number, since it uses less digits than its factorization.

1380082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62744.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1380082 is about 1174.7689134464. The cubic root of 1380082 is about 111.3358332672.

It can be divided in two parts, 1 and 380082, that added together give a palindrome (380083).

The spelling of 1380082 in words is "one million, three hundred eighty thousand, eighty-two".

Divisors: 1 2 11 22 62731 125462 690041 1380082