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108216241 = 715459463
BaseRepresentation
bin1100111001100…
…11111110110001
321112121221202221
412130303332301
5210200404431
614423241041
72452552150
oct634637661
9245557687
10108216241
11560a3511
12302a9181
131955c4a3
141052d597
159779111
hex6733fb1

108216241 has 4 divisors (see below), whose sum is σ = 123675712. Its totient is φ = 92756772.

The previous prime is 108216233. The next prime is 108216263. The reversal of 108216241 is 142612801.

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.

It is a cyclic number.

It is not a de Polignac number, because 108216241 - 23 = 108216233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108216221) 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 3 ways as a sum of consecutive naturals, for example, 7729725 + ... + 7729738.

It is an arithmetic number, because the mean of its divisors is an integer number (30918928).

Almost surely, 2108216241 is an apocalyptic number.

It is an amenable number.

108216241 is a deficient number, since it is larger than the sum of its proper divisors (15459471).

108216241 is an equidigital number, since it uses as much as digits as its factorization.

108216241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459470.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 108216241 is about 10402.7035428296. The cubic root of 108216241 is about 476.5379381361.

The spelling of 108216241 in words is "one hundred eight million, two hundred sixteen thousand, two hundred forty-one".

Divisors: 1 7 15459463 108216241