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100321325 = 5213308681
BaseRepresentation
bin1011111101011…
…00100000101101
320222202211222122
411332230200231
5201140240300
613542122325
72325500666
oct576544055
9228684878
10100321325
11516a0995
12297203a5
1317a26b40
14d47636d
158c19c85
hex5fac82d

100321325 has 12 divisors (see below), whose sum is σ = 133967988. Its totient is φ = 74083200.

The previous prime is 100321303. The next prime is 100321327. The reversal of 100321325 is 523123001.

It can be written as a sum of positive squares in 6 ways, for example, as 17547721 + 82773604 = 4189^2 + 9098^2 .

It is not a de Polignac number, because 100321325 - 26 = 100321261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154016 + ... + 154665.

It is an arithmetic number, because the mean of its divisors is an integer number (11163999).

Almost surely, 2100321325 is an apocalyptic number.

It is an amenable number.

100321325 is a deficient number, since it is larger than the sum of its proper divisors (33646663).

100321325 is a wasteful number, since it uses less digits than its factorization.

100321325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308704 (or 308699 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 100321325 is about 10016.0533644745. The cubic root of 100321325 is about 464.6555046617.

Adding to 100321325 its reverse (523123001), we get a palindrome (623444326).

The spelling of 100321325 in words is "one hundred million, three hundred twenty-one thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 325 308681 1543405 4012853 7717025 20064265 100321325