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1380495 = 3592033
BaseRepresentation
bin101010001000010001111
32121010200110
411101002033
5323133440
645331103
714506524
oct5210217
92533613
101380495
11863206
12566a93
1339447c
1427d14b
151c4080
hex15108f

1380495 has 8 divisors (see below), whose sum is σ = 2208816. Its totient is φ = 736256.

The previous prime is 1380469. The next prime is 1380499. The reversal of 1380495 is 5940831.

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

It is a cyclic number.

It is not a de Polignac number, because 1380495 - 213 = 1372303 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46002 + ... + 46031.

It is an arithmetic number, because the mean of its divisors is an integer number (276102).

21380495 is an apocalyptic number.

1380495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1380495 is a deficient number, since it is larger than the sum of its proper divisors (828321).

1380495 is an equidigital number, since it uses as much as digits as its factorization.

1380495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92041.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1380495 is about 1174.9446795488. The cubic root of 1380495 is about 111.3469381903.

It can be divided in two parts, 13 and 80495, that added together give a palindrome (80508).

The spelling of 1380495 in words is "one million, three hundred eighty thousand, four hundred ninety-five".

Divisors: 1 3 5 15 92033 276099 460165 1380495