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450512107 = 641702827
BaseRepresentation
bin11010110110100…
…100010011101011
31011101201101102121
4122312210103223
51410312341412
6112412012111
714110201243
oct3266442353
91141641377
10450512107
11211336461
12106a61037
1372448b16
1443b92b23
1529840107
hex1ada44eb

450512107 has 4 divisors (see below), whose sum is σ = 451215576. Its totient is φ = 449808640.

The previous prime is 450512099. The next prime is 450512113. The reversal of 450512107 is 701215054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701215054 = 2350607527.

It is a cyclic number.

It is not a de Polignac number, because 450512107 - 23 = 450512099 is a prime.

It is a super-2 number, since 2×4505121072 = 405922317107158898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450512147) 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, 350773 + ... + 352054.

It is an arithmetic number, because the mean of its divisors is an integer number (112803894).

Almost surely, 2450512107 is an apocalyptic number.

450512107 is a deficient number, since it is larger than the sum of its proper divisors (703469).

450512107 is an equidigital number, since it uses as much as digits as its factorization.

450512107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703468.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 450512107 is about 21225.2704811976. The cubic root of 450512107 is about 766.6000128779.

The spelling of 450512107 in words is "four hundred fifty million, five hundred twelve thousand, one hundred seven".

Divisors: 1 641 702827 450512107