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446243005 = 5136865277
BaseRepresentation
bin11010100110010…
…010000010111101
31011002200111022201
4122212102002331
51403214234010
6112140311501
714026001005
oct3246220275
91132614281
10446243005
1120998aa7a
12105542591
13715b2920
14433a1005
152929a23a
hex1a9920bd

446243005 has 8 divisors (see below), whose sum is σ = 576683352. Its totient is φ = 329533248.

The previous prime is 446243003. The next prime is 446243027. The reversal of 446243005 is 500342644.

It can be written as a sum of positive squares in 4 ways, for example, as 34234201 + 412008804 = 5851^2 + 20298^2 .

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 446243005 - 21 = 446243003 is a prime.

It is a super-2 number, since 2×4462430052 = 398265639022860050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446243003) 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, 3432574 + ... + 3432703.

It is an arithmetic number, because the mean of its divisors is an integer number (72085419).

Almost surely, 2446243005 is an apocalyptic number.

It is an amenable number.

446243005 is a deficient number, since it is larger than the sum of its proper divisors (130440347).

446243005 is a wasteful number, since it uses less digits than its factorization.

446243005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865295.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 446243005 is about 21124.4646086001. The cubic root of 446243005 is about 764.1708618201.

Adding to 446243005 its reverse (500342644), we get a palindrome (946585649).

The spelling of 446243005 in words is "four hundred forty-six million, two hundred forty-three thousand, five".

Divisors: 1 5 13 65 6865277 34326385 89248601 446243005