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450450401 = 2271984363
BaseRepresentation
bin11010110110010…
…101001111100001
31011101121020210012
4122312111033201
51410303403101
6112410414305
714106523322
oct3266251741
91141536705
10450450401
112112a4065
12106a31395
13724269cb
1443b78449
152982bbbb
hex1ad953e1

450450401 has 4 divisors (see below), whose sum is σ = 452434992. Its totient is φ = 448465812.

The previous prime is 450450361. The next prime is 450450421. The reversal of 450450401 is 104054054.

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 450450401 - 226 = 383341537 is a prime.

It is a super-2 number, since 2×4504504012 = 405811127522121602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450450421) 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, 991955 + ... + 992408.

It is an arithmetic number, because the mean of its divisors is an integer number (113108748).

Almost surely, 2450450401 is an apocalyptic number.

It is an amenable number.

450450401 is a deficient number, since it is larger than the sum of its proper divisors (1984591).

450450401 is a wasteful number, since it uses less digits than its factorization.

450450401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984590.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 450450401 is about 21223.8168339250. The cubic root of 450450401 is about 766.5650112434.

The spelling of 450450401 in words is "four hundred fifty million, four hundred fifty thousand, four hundred one".

Divisors: 1 227 1984363 450450401