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425041421 = 7131463513
BaseRepresentation
bin11001010101011…
…001111000001101
31002121210100012212
4121111121320031
51332302311141
6110102040205
713350535550
oct3125317015
91077710185
10425041421
111a8a19a02
12ba419065
136a09b5cc
1440642697
15274ad2eb
hex19559e0d

425041421 has 8 divisors (see below), whose sum is σ = 489470784. Its totient is φ = 361539360.

The previous prime is 425041411. The next prime is 425041433. The reversal of 425041421 is 124140524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425041421 - 210 = 425040397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425041411) 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, 230840 + ... + 232673.

It is an arithmetic number, because the mean of its divisors is an integer number (61183848).

Almost surely, 2425041421 is an apocalyptic number.

It is an amenable number.

425041421 is a deficient number, since it is larger than the sum of its proper divisors (64429363).

425041421 is a wasteful number, since it uses less digits than its factorization.

425041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463651.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 425041421 is about 20616.5327104244. The cubic root of 425041421 is about 751.8717226164.

Adding to 425041421 its reverse (124140524), we get a palindrome (549181945).

The spelling of 425041421 in words is "four hundred twenty-five million, forty-one thousand, four hundred twenty-one".

Divisors: 1 7 131 917 463513 3244591 60720203 425041421