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425400001 = 1334699433
BaseRepresentation
bin11001010110110…
…001011011000001
31002122110120002121
4121112301123001
51332400300001
6110113444241
713353561145
oct3126613301
91078416077
10425400001
111a9144354
12ba570681
136a1958a0
14406d7225
152752e6a1
hex195b16c1

425400001 has 8 divisors (see below), whose sum is σ = 458303720. Its totient is φ = 392522112.

The previous prime is 425399977. The next prime is 425400013. The reversal of 425400001 is 100004524.

It can be written as a sum of positive squares in 4 ways, for example, as 50625 + 425349376 = 225^2 + 20624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 425400001 - 29 = 425399489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425400091) 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, 40381 + ... + 49813.

It is an arithmetic number, because the mean of its divisors is an integer number (57287965).

Almost surely, 2425400001 is an apocalyptic number.

It is an amenable number.

425400001 is a deficient number, since it is larger than the sum of its proper divisors (32903719).

425400001 is a wasteful number, since it uses less digits than its factorization.

425400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 425400001 is about 20625.2272957173. The cubic root of 425400001 is about 752.0830983930.

Adding to 425400001 its reverse (100004524), we get a palindrome (525404525).

The spelling of 425400001 in words is "four hundred twenty-five million, four hundred thousand, one".

Divisors: 1 13 3469 9433 45097 122629 32723077 425400001