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1380622 = 2838317
BaseRepresentation
bin101010001000100001110
32121010212011
411101010032
5323134442
645331434
714510065
oct5210416
92533764
101380622
11863311
12566b7a
13394549
1427d1dc
151c4117
hex15110e

1380622 has 8 divisors (see below), whose sum is σ = 2096136. Its totient is φ = 681912.

The previous prime is 1380619. The next prime is 1380623. The reversal of 1380622 is 2260831.

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

It is a super-2 number, since 2×13806222 = 3812234213768, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1380593 and 1380602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380623) 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, 3993 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (262017).

21380622 is an apocalyptic number.

1380622 is a deficient number, since it is larger than the sum of its proper divisors (715514).

1380622 is an equidigital number, since it uses as much as digits as its factorization.

1380622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1380622 is about 1174.9987234036. The cubic root of 1380622 is about 111.3503525760.

It can be divided in two parts, 1380 and 622, that added together give a palindrome (2002).

The spelling of 1380622 in words is "one million, three hundred eighty thousand, six hundred twenty-two".

Divisors: 1 2 83 166 8317 16634 690311 1380622