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100203241 = 103972847
BaseRepresentation
bin1011111100011…
…11101011101001
320222112212000011
411332033223221
5201123000431
613535411521
72324466505
oct576175351
9228485004
10100203241
11516201a6
1229683ba1
13179b5178
14d445305
158be4cb1
hex5f8fae9

100203241 has 4 divisors (see below), whose sum is σ = 101176192. Its totient is φ = 99230292.

The previous prime is 100203199. The next prime is 100203247. The reversal of 100203241 is 142302001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142302001 = 197489579.

It is a cyclic number.

It is not a de Polignac number, because 100203241 - 213 = 100195049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203247) 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, 486321 + ... + 486526.

It is an arithmetic number, because the mean of its divisors is an integer number (25294048).

Almost surely, 2100203241 is an apocalyptic number.

It is an amenable number.

100203241 is a deficient number, since it is larger than the sum of its proper divisors (972951).

100203241 is an equidigital number, since it uses as much as digits as its factorization.

100203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972950.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100203241 is about 10010.1568918774. The cubic root of 100203241 is about 464.4731242872.

Adding to 100203241 its reverse (142302001), we get a palindrome (242505242).

The spelling of 100203241 in words is "one hundred million, two hundred three thousand, two hundred forty-one".

Divisors: 1 103 972847 100203241