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1393319 = 9371487
BaseRepresentation
bin101010100001010100111
32121210021102
411110022213
5324041234
645510315
714562104
oct5241247
92553242
101393319
11871904
1257239b
1339a265
14283aab
151c7c7e
hex1542a7

1393319 has 4 divisors (see below), whose sum is σ = 1395744. Its totient is φ = 1390896.

The previous prime is 1393313. The next prime is 1393331. The reversal of 1393319 is 9133931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1393319 - 216 = 1327783 is a prime.

It is a super-2 number, since 2×13933192 = 3882675671522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1393291 and 1393300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393313) 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, 194 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (348936).

21393319 is an apocalyptic number.

1393319 is a deficient number, since it is larger than the sum of its proper divisors (2425).

1393319 is an equidigital number, since it uses as much as digits as its factorization.

1393319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its digits is 2187, while the sum is 29.

The square root of 1393319 is about 1180.3893425476. The cubic root of 1393319 is about 111.6906589372.

The spelling of 1393319 in words is "one million, three hundred ninety-three thousand, three hundred nineteen".

Divisors: 1 937 1487 1393319