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100985306 = 250492653
BaseRepresentation
bin1100000010011…
…10100111011010
321001000120210112
412001032213122
5201323012211
614004244322
72334234542
oct601164732
9231016715
10100985306
1152004834
12299a06a2
1317bca126
14d5aa322
158ceb88b
hex604e9da

100985306 has 4 divisors (see below), whose sum is σ = 151477962. Its totient is φ = 50492652.

The previous prime is 100985293. The next prime is 100985309. The reversal of 100985306 is 603589001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603589001 = 2215927239.

It can be written as a sum of positive squares in only one way, i.e., 71554681 + 29430625 = 8459^2 + 5425^2 .

It is not an unprimeable number, because it can be changed into a prime (100985309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25246325 + ... + 25246328.

Almost surely, 2100985306 is an apocalyptic number.

100985306 is a deficient number, since it is larger than the sum of its proper divisors (50492656).

100985306 is an equidigital number, since it uses as much as digits as its factorization.

100985306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50492655.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 100985306 is about 10049.1445407059. The cubic root of 100985306 is about 465.6783654944.

The spelling of 100985306 in words is "one hundred million, nine hundred eighty-five thousand, three hundred six".

Divisors: 1 2 50492653 100985306