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100043041 = 714291863
BaseRepresentation
bin1011111011010…
…00100100100001
320222020201020211
411331220210201
5201102334131
613532134121
72323231450
oct575504441
9228221224
10100043041
11515208aa
1229607341
131795a287
14d402b97
158bb25b1
hex5f68921

100043041 has 4 divisors (see below), whose sum is σ = 114334912. Its totient is φ = 85751172.

The previous prime is 100043039. The next prime is 100043051. The reversal of 100043041 is 140340001.

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: 140340001 = 373792973.

It is a cyclic number.

It is not a de Polignac number, because 100043041 - 21 = 100043039 is a prime.

It is a super-2 number, since 2×1000430412 = 20017220105055362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100043051) 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, 7145925 + ... + 7145938.

It is an arithmetic number, because the mean of its divisors is an integer number (28583728).

Almost surely, 2100043041 is an apocalyptic number.

It is an amenable number.

100043041 is a deficient number, since it is larger than the sum of its proper divisors (14291871).

100043041 is an equidigital number, since it uses as much as digits as its factorization.

100043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291870.

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

The square root of 100043041 is about 10002.1518184839. The cubic root of 100043041 is about 464.2254666845.

Adding to 100043041 its reverse (140340001), we get a palindrome (240383042).

The spelling of 100043041 in words is "one hundred million, forty-three thousand, forty-one".

Divisors: 1 7 14291863 100043041