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100243325 = 52713139317
BaseRepresentation
bin1011111100110…
…01011101111101
320222121212222202
411332121131331
5201130241300
613540321245
72325024410
oct576313575
9228555882
10100243325
1151648326
12296a3225
13179ca4a0
14d455b77
158c01ad5
hex5f9977d

100243325 has 48 divisors (see below), whose sum is σ = 154573440. Its totient is φ = 62795520.

The previous prime is 100243321. The next prime is 100243327. The reversal of 100243325 is 523342001.

It is a happy number.

It is not a de Polignac number, because 100243325 - 22 = 100243321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100243297 and 100243306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100243321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316067 + ... + 316383.

It is an arithmetic number, because the mean of its divisors is an integer number (3220280).

Almost surely, 2100243325 is an apocalyptic number.

It is an amenable number.

100243325 is a deficient number, since it is larger than the sum of its proper divisors (54330115).

100243325 is a wasteful number, since it uses less digits than its factorization.

100243325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100243325 is about 10012.1588581085. The cubic root of 100243325 is about 464.5350499579.

Adding to 100243325 its reverse (523342001), we get a palindrome (623585326).

The spelling of 100243325 in words is "one hundred million, two hundred forty-three thousand, three hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 91 139 175 317 325 455 695 973 1585 1807 2219 2275 3475 4121 4865 7925 9035 11095 12649 20605 24325 28847 44063 45175 55475 63245 103025 144235 220315 308441 316225 572819 721175 1101575 1542205 2864095 4009733 7711025 14320475 20048665 100243325