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632100001 = 13172860181
BaseRepresentation
bin100101101011010…
…001010010100001
31122001102000012011
4211223101102201
52243304200001
6142420032521
721443522101
oct4553212241
91561360164
10632100001
112a48930a5
12157832741
13a0c57690
145dd41201
153a75dd51
hex25ad14a1

632100001 has 8 divisors (see below), whose sum is σ = 720765864. Its totient is φ = 549154560.

The previous prime is 632099977. The next prime is 632100017. The reversal of 632100001 is 100001236.

It can be written as a sum of positive squares in 4 ways, for example, as 331776 + 631768225 = 576^2 + 25135^2 .

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 632100001 - 225 = 598545569 is a prime.

It is a super-2 number, since 2×6321000012 = 799100822528400002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (632100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429870 + ... + 1430311.

It is an arithmetic number, because the mean of its divisors is an integer number (90095733).

Almost surely, 2632100001 is an apocalyptic number.

It is an amenable number.

632100001 is a deficient number, since it is larger than the sum of its proper divisors (88665863).

632100001 is a wasteful number, since it uses less digits than its factorization.

632100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860211.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 632100001 is about 25141.5990143825. The cubic root of 632100001 is about 858.2133455006.

Adding to 632100001 its reverse (100001236), we get a palindrome (732101237).

The spelling of 632100001 in words is "six hundred thirty-two million, one hundred thousand, one".

Divisors: 1 13 17 221 2860181 37182353 48623077 632100001