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605142401 = 787768923
BaseRepresentation
bin100100000100011…
…011110110000001
31120011200102022112
4210010123312001
52214404024101
6140014145105
720665424363
oct4404336601
91504612275
10605142401
11290650496
1214a7b2195
13984a9436
145a524d33
15381d66bb
hex2411bd81

605142401 has 4 divisors (see below), whose sum is σ = 605912112. Its totient is φ = 604372692.

The previous prime is 605142383. The next prime is 605142451. The reversal of 605142401 is 104241506.

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 not a de Polignac number, because 605142401 - 226 = 538033537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605142451) 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, 383675 + ... + 385248.

It is an arithmetic number, because the mean of its divisors is an integer number (151478028).

Almost surely, 2605142401 is an apocalyptic number.

It is an amenable number.

605142401 is a deficient number, since it is larger than the sum of its proper divisors (769711).

605142401 is an equidigital number, since it uses as much as digits as its factorization.

605142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769710.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 605142401 is about 24599.6422941473. The cubic root of 605142401 is about 845.8354078287.

Adding to 605142401 its reverse (104241506), we get a palindrome (709383907).

The spelling of 605142401 in words is "six hundred five million, one hundred forty-two thousand, four hundred one".

Divisors: 1 787 768923 605142401