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451100213 = 6731121649
BaseRepresentation
bin11010111000110…
…011111000110101
31011102211021011022
4122320303320311
51410440201323
6112432350525
714115200654
oct3270637065
91142737138
10451100213
112116a82a3
121070a5445
13725c3705
1443ca719b
15299094c8
hex1ae33e35

451100213 has 8 divisors (see below), whose sum is σ = 459326400. Its totient is φ = 442918080.

The previous prime is 451100207. The next prime is 451100257. The reversal of 451100213 is 312001154.

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 451100213 - 222 = 446905909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451100191 and 451100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10013 + ... + 31661.

It is an arithmetic number, because the mean of its divisors is an integer number (57415800).

Almost surely, 2451100213 is an apocalyptic number.

It is an amenable number.

451100213 is a deficient number, since it is larger than the sum of its proper divisors (8226187).

451100213 is a wasteful number, since it uses less digits than its factorization.

451100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22027.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 451100213 is about 21239.1198734788. The cubic root of 451100213 is about 766.9334453009.

Adding to 451100213 its reverse (312001154), we get a palindrome (763101367).

The spelling of 451100213 in words is "four hundred fifty-one million, one hundred thousand, two hundred thirteen".

Divisors: 1 67 311 20837 21649 1450483 6732839 451100213