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100242001 = 853117517
BaseRepresentation
bin1011111100110…
…01001001010001
320222121211011201
411332121021101
5201130221001
613540311201
72325020506
oct576311121
9228554151
10100242001
1151647332
12296a2501
13179c99c2
14d4554ad
158c01501
hex5f99251

100242001 has 4 divisors (see below), whose sum is σ = 100360372. Its totient is φ = 100123632.

The previous prime is 100241993. The next prime is 100242019.

100242001 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 90155025 = 3176^2 + 9495^2 .

It is a cyclic number.

It is not a de Polignac number, because 100242001 - 23 = 100241993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100242041) 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, 57906 + ... + 59611.

It is an arithmetic number, because the mean of its divisors is an integer number (25090093).

Almost surely, 2100242001 is an apocalyptic number.

It is an amenable number.

100242001 is a deficient number, since it is larger than the sum of its proper divisors (118371).

100242001 is an equidigital number, since it uses as much as digits as its factorization.

100242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118370.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100242001 is about 10012.0927382840. The cubic root of 100242001 is about 464.5330047773.

The spelling of 100242001 in words is "one hundred million, two hundred forty-two thousand, one".

Divisors: 1 853 117517 100242001