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1397442 = 23232907
BaseRepresentation
bin101010101001011000010
32121222221010
411111023002
5324204232
645541350
714610114
oct5251302
92558833
101397442
11874a12
12574856
1339c0b7
142853b4
151c90cc
hex1552c2

1397442 has 8 divisors (see below), whose sum is σ = 2794896. Its totient is φ = 465812.

The previous prime is 1397441. The next prime is 1397443. The reversal of 1397442 is 2447931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1397441) and next prime (1397443).

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

1397442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1397441) 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, 116448 + ... + 116459.

It is an arithmetic number, because the mean of its divisors is an integer number (349362).

21397442 is an apocalyptic number.

1397442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397442 is a wasteful number, since it uses less digits than its factorization.

1397442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232912.

The product of its digits is 6048, while the sum is 30.

The square root of 1397442 is about 1182.1345101130. The cubic root of 1397442 is about 111.8007191858.

The spelling of 1397442 in words is "one million, three hundred ninety-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 232907 465814 698721 1397442