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108900101 = 234734787
BaseRepresentation
bin1100111110110…
…10111100000101
321120220200212002
412133122330011
5210334300401
614450035045
72461431002
oct637327405
9246820762
10108900101
1156520292
1230578a85
131973b83b
141066a8a9
159861a6b
hex67daf05

108900101 has 4 divisors (see below), whose sum is σ = 113634912. Its totient is φ = 104165292.

The previous prime is 108900097. The next prime is 108900151. The reversal of 108900101 is 101009801.

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 108900101 - 22 = 108900097 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 (108900151) 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, 2367371 + ... + 2367416.

It is an arithmetic number, because the mean of its divisors is an integer number (28408728).

Almost surely, 2108900101 is an apocalyptic number.

It is an amenable number.

108900101 is a deficient number, since it is larger than the sum of its proper divisors (4734811).

108900101 is an equidigital number, since it uses as much as digits as its factorization.

108900101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734810.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 108900101 is about 10435.5211177976. The cubic root of 108900101 is about 477.5396398111.

Adding to 108900101 its reverse (101009801), we get a palindrome (209909902).

The spelling of 108900101 in words is "one hundred eight million, nine hundred thousand, one hundred one".

Divisors: 1 23 4734787 108900101