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1397417 = 71711743
BaseRepresentation
bin101010101001010101001
32121222220012
411111022221
5324204132
645541305
714610050
oct5251251
92558805
101397417
1187499a
12574835
1339c098
14285397
151c90b2
hex1552a9

1397417 has 8 divisors (see below), whose sum is σ = 1691136. Its totient is φ = 1127232.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397417 is 7147931.

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 1397417 - 28 = 1397161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1397437) 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, 5753 + ... + 5990.

It is an arithmetic number, because the mean of its divisors is an integer number (211392).

21397417 is an apocalyptic number.

1397417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1397417 is a deficient number, since it is larger than the sum of its proper divisors (293719).

1397417 is a wasteful number, since it uses less digits than its factorization.

1397417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its digits is 5292, while the sum is 32.

The square root of 1397417 is about 1182.1239359729. The cubic root of 1397417 is about 111.8000524832.

The spelling of 1397417 in words is "one million, three hundred ninety-seven thousand, four hundred seventeen".

Divisors: 1 7 17 119 11743 82201 199631 1397417