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1397011 = 71118143
BaseRepresentation
bin101010101000100010011
32121222100011
411111010103
5324201021
645535351
714605630
oct5250423
92558304
101397011
11874660
12574557
1339bb45
14285187
151c8de1
hex155113

1397011 has 8 divisors (see below), whose sum is σ = 1741824. Its totient is φ = 1088520.

The previous prime is 1396999. The next prime is 1397021. The reversal of 1397011 is 1107931.

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 1397011 - 25 = 1396979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397021) 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, 8995 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (217728).

21397011 is an apocalyptic number.

1397011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1397011 is a deficient number, since it is larger than the sum of its proper divisors (344813).

1397011 is a wasteful number, since it uses less digits than its factorization.

1397011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1397011 is about 1181.9521986950. The cubic root of 1397011 is about 111.7892241196.

The spelling of 1397011 in words is "one million, three hundred ninety-seven thousand, eleven".

Divisors: 1 7 11 77 18143 127001 199573 1397011