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3801427 = 7543061
BaseRepresentation
bin1110100000000101010011
321011010120121
432200011103
51433121202
6213251111
744211610
oct16400523
97133517
103801427
112167083
121333a97
13a31386
1470d507
15501537
hex3a0153

3801427 has 4 divisors (see below), whose sum is σ = 4344496. Its totient is φ = 3258360.

The previous prime is 3801419. The next prime is 3801431. The reversal of 3801427 is 7241083.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3801427 - 23 = 3801419 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801487) 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, 271524 + ... + 271537.

It is an arithmetic number, because the mean of its divisors is an integer number (1086124).

Almost surely, 23801427 is an apocalyptic number.

3801427 is a deficient number, since it is larger than the sum of its proper divisors (543069).

3801427 is an equidigital number, since it uses as much as digits as its factorization.

3801427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543068.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3801427 is about 1949.7248523830. The cubic root of 3801427 is about 156.0686061376.

Subtracting from 3801427 its product of nonzero digits (1344), we obtain a palindrome (3800083).

The spelling of 3801427 in words is "three million, eight hundred one thousand, four hundred twenty-seven".

Divisors: 1 7 543061 3801427