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1423601 = 4333107
BaseRepresentation
bin101011011100011110001
32200022210222
411123203301
5331023401
650302425
715046304
oct5334361
92608728
101423601
11892633
12587a15
133aac8a
14290b3b
151d1c1b
hex15b8f1

1423601 has 4 divisors (see below), whose sum is σ = 1456752. Its totient is φ = 1390452.

The previous prime is 1423589. The next prime is 1423603. The reversal of 1423601 is 1063241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1423601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423601.

It is not an unprimeable number, because it can be changed into a prime (1423603) 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, 16511 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (364188).

21423601 is an apocalyptic number.

It is an amenable number.

1423601 is a deficient number, since it is larger than the sum of its proper divisors (33151).

1423601 is an equidigital number, since it uses as much as digits as its factorization.

1423601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33150.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1423601 is about 1193.1475181217. The cubic root of 1423601 is about 112.4940177889.

Adding to 1423601 its reverse (1063241), we get a palindrome (2486842).

The spelling of 1423601 in words is "one million, four hundred twenty-three thousand, six hundred one".

Divisors: 1 43 33107 1423601