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1380606 = 23230101
BaseRepresentation
bin101010001000011111110
32121010211120
411101003332
5323134411
645331410
714510043
oct5210376
92533746
101380606
118632a7
12566b66
13394536
1427d1ca
151c4106
hex1510fe

1380606 has 8 divisors (see below), whose sum is σ = 2761224. Its totient is φ = 460200.

The previous prime is 1380571. The next prime is 1380607. The reversal of 1380606 is 6060831.

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

1380606 is an admirable number.

1380606 is a modest number, since divided by 606 gives 138 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380607) 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, 115045 + ... + 115056.

It is an arithmetic number, because the mean of its divisors is an integer number (345153).

21380606 is an apocalyptic number.

1380606 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.

1380606 is a wasteful number, since it uses less digits than its factorization.

1380606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230106.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1380606 is about 1174.9919148658. The cubic root of 1380606 is about 111.3499224287.

The spelling of 1380606 in words is "one million, three hundred eighty thousand, six hundred six".

Divisors: 1 2 3 6 230101 460202 690303 1380606