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1397361 = 3766541
BaseRepresentation
bin101010101001001110001
32121222211010
411111021301
5324203421
645541133
714606640
oct5251161
92558733
101397361
11874949
125747a9
1339c054
14285357
151c9076
hex155271

1397361 has 8 divisors (see below), whose sum is σ = 2129344. Its totient is φ = 798480.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397361 is 1637931.

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

It is not a de Polignac number, because 1397361 - 21 = 1397359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1397311) 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, 33250 + ... + 33291.

It is an arithmetic number, because the mean of its divisors is an integer number (266168).

21397361 is an apocalyptic number.

It is an amenable number.

1397361 is a deficient number, since it is larger than the sum of its proper divisors (731983).

1397361 is an equidigital number, since it uses as much as digits as its factorization.

1397361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66551.

The product of its digits is 3402, while the sum is 30.

The square root of 1397361 is about 1182.1002495558. The cubic root of 1397361 is about 111.7985590405.

The spelling of 1397361 in words is "one million, three hundred ninety-seven thousand, three hundred sixty-one".

Divisors: 1 3 7 21 66541 199623 465787 1397361