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1542401 = 71911597
BaseRepresentation
bin101111000100100000001
32220100202222
411320210001
5343324101
653020425
716052540
oct5704401
92810688
101542401
11963913
12624715
13420083
142c2157
1520701b
hex178901

1542401 has 8 divisors (see below), whose sum is σ = 1855680. Its totient is φ = 1252368.

The previous prime is 1542383. The next prime is 1542421. The reversal of 1542401 is 1042451.

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 1542401 - 210 = 1541377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542401.

It is not an unprimeable number, because it can be changed into a prime (1542421) 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, 5666 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (231960).

21542401 is an apocalyptic number.

It is an amenable number.

1542401 is a deficient number, since it is larger than the sum of its proper divisors (313279).

1542401 is a wasteful number, since it uses less digits than its factorization.

1542401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1542401 is about 1241.9343782986. The cubic root of 1542401 is about 115.5400184910.

Adding to 1542401 its reverse (1042451), we get a palindrome (2584852).

The spelling of 1542401 in words is "one million, five hundred forty-two thousand, four hundred one".

Divisors: 1 7 19 133 11597 81179 220343 1542401