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425201 = 71923139
BaseRepresentation
bin1100111110011110001
3210121021012
41213303301
5102101301
613040305
73420440
oct1476361
9717235
10425201
11270507
12186095
1311b6ca
14b0d57
1585ebb
hex67cf1

425201 has 16 divisors (see below), whose sum is σ = 537600. Its totient is φ = 327888.

The previous prime is 425197. The next prime is 425207. The reversal of 425201 is 102524.

It is not a de Polignac number, because 425201 - 22 = 425197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990 + ... + 3128.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2425201 is an apocalyptic number.

It is an amenable number.

425201 is a deficient number, since it is larger than the sum of its proper divisors (112399).

425201 is a wasteful number, since it uses less digits than its factorization.

425201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 425201 is about 652.0743822602. The cubic root of 425201 is about 75.1965805937.

Adding to 425201 its reverse (102524), we get a palindrome (527725).

It can be divided in two parts, 425 and 201, that added together give a palindrome (626).

The spelling of 425201 in words is "four hundred twenty-five thousand, two hundred one".

Divisors: 1 7 19 23 133 139 161 437 973 2641 3059 3197 18487 22379 60743 425201