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425213461 = 1657325657
BaseRepresentation
bin11001010110000…
…011111000010101
31002122010002012201
4121112003320111
51332323312321
6110105444501
713352153251
oct3126037025
91078102181
10425213461
111a9027192
12ba4a0731
136a12b9ca
1440689261
15274e4291
hex19583e15

425213461 has 4 divisors (see below), whose sum is σ = 425255692. Its totient is φ = 425171232.

The previous prime is 425213447. The next prime is 425213479. The reversal of 425213461 is 164312524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 208947025 + 216266436 = 14455^2 + 14706^2 .

It is a cyclic number.

It is not a de Polignac number, because 425213461 - 25 = 425213429 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 (425213441) 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, 3745 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (106313923).

Almost surely, 2425213461 is an apocalyptic number.

It is an amenable number.

425213461 is a deficient number, since it is larger than the sum of its proper divisors (42231).

425213461 is a wasteful number, since it uses less digits than its factorization.

425213461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42230.

The product of its digits is 5760, while the sum is 28.

The square root of 425213461 is about 20620.7046678817. The cubic root of 425213461 is about 751.9731516039.

Adding to 425213461 its reverse (164312524), we get a palindrome (589525985).

The spelling of 425213461 in words is "four hundred twenty-five million, two hundred thirteen thousand, four hundred sixty-one".

Divisors: 1 16573 25657 425213461