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1401442 = 27100103
BaseRepresentation
bin101010110001001100010
32122012102021
411112021202
5324321232
650012054
714624560
oct5261142
92565367
101401442
11877a19
1257702a
133a0b73
14286a30
151ca397
hex156262

1401442 has 8 divisors (see below), whose sum is σ = 2402496. Its totient is φ = 600612.

The previous prime is 1401437. The next prime is 1401443. The reversal of 1401442 is 2441041.

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

It is not an unprimeable number, because it can be changed into a prime (1401443) 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, 50038 + ... + 50065.

It is an arithmetic number, because the mean of its divisors is an integer number (300312).

21401442 is an apocalyptic number.

1401442 is a deficient number, since it is larger than the sum of its proper divisors (1001054).

1401442 is a wasteful number, since it uses less digits than its factorization.

1401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100112.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1401442 is about 1183.8251560091. The cubic root of 1401442 is about 111.9072893492.

Adding to 1401442 its reverse (2441041), we get a palindrome (3842483).

The spelling of 1401442 in words is "one million, four hundred one thousand, four hundred forty-two".

Divisors: 1 2 7 14 100103 200206 700721 1401442