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100141621 = 107935903
BaseRepresentation
bin1011111100000…
…00101000110101
320222102201110221
411332000220311
5201114012441
613534214341
72324122036
oct576005065
9228381427
10100141621
1151588978
12296543b1
13179930c8
14d42aa8d
158bd18d1
hex5f80a35

100141621 has 4 divisors (see below), whose sum is σ = 101077632. Its totient is φ = 99205612.

The previous prime is 100141603. The next prime is 100141633. The reversal of 100141621 is 126141001.

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: 126141001 = 718020143.

It is a cyclic number.

It is not a de Polignac number, because 100141621 - 25 = 100141589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100141595 and 100141604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100141651) 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, 467845 + ... + 468058.

It is an arithmetic number, because the mean of its divisors is an integer number (25269408).

Almost surely, 2100141621 is an apocalyptic number.

It is an amenable number.

100141621 is a deficient number, since it is larger than the sum of its proper divisors (936011).

100141621 is an equidigital number, since it uses as much as digits as its factorization.

100141621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936010.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 100141621 is about 10007.0785447102. The cubic root of 100141621 is about 464.3778954888.

Adding to 100141621 its reverse (126141001), we get a palindrome (226282622).

The spelling of 100141621 in words is "one hundred million, one hundred forty-one thousand, six hundred twenty-one".

Divisors: 1 107 935903 100141621