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100305041 = 139721619
BaseRepresentation
bin1011111101010…
…00100010010001
320222202000122112
411332220202101
5201134230131
613541515105
72325402344
oct576504221
9228660575
10100305041
115168a731
1229712a95
1317a1c5c5
14d47045b
158c1502b
hex5fa8891

100305041 has 4 divisors (see below), whose sum is σ = 101026800. Its totient is φ = 99583284.

The previous prime is 100305013. The next prime is 100305053. The reversal of 100305041 is 140503001.

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 100305041 - 222 = 96110737 is a prime.

It is a super-2 number, since 2×1003050412 = 20122202500023362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100305011) 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 in 3 ways as a sum of consecutive naturals, for example, 360671 + ... + 360948.

It is an arithmetic number, because the mean of its divisors is an integer number (25256700).

Almost surely, 2100305041 is an apocalyptic number.

It is an amenable number.

100305041 is a deficient number, since it is larger than the sum of its proper divisors (721759).

100305041 is an equidigital number, since it uses as much as digits as its factorization.

100305041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721758.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100305041 is about 10015.2404364548. The cubic root of 100305041 is about 464.6303625839.

Adding to 100305041 its reverse (140503001), we get a palindrome (240808042).

The spelling of 100305041 in words is "one hundred million, three hundred five thousand, forty-one".

Divisors: 1 139 721619 100305041