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100311001 = 771201833
BaseRepresentation
bin1011111101010…
…01111111011001
320222202022211021
411332221333121
5201134423001
613542002441
72325425620
oct576517731
9228668737
10100311001
115169415a
1229716421
1317a2222b
14d4726b7
158c16ba1
hex5fa9fd9

100311001 has 8 divisors (see below), whose sum is σ = 116256384. Its totient is φ = 84769440.

The previous prime is 100310983. The next prime is 100311007. The reversal of 100311001 is 100113001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100311001 - 211 = 100308953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100311007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100420 + ... + 101413.

It is an arithmetic number, because the mean of its divisors is an integer number (14532048).

Almost surely, 2100311001 is an apocalyptic number.

It is an amenable number.

100311001 is a deficient number, since it is larger than the sum of its proper divisors (15945383).

100311001 is an equidigital number, since it uses as much as digits as its factorization.

100311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201911.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 100311001 is about 10015.5379785611. The cubic root of 100311001 is about 464.6395649865.

Adding to 100311001 its reverse (100113001), we get a palindrome (200424002).

The spelling of 100311001 in words is "one hundred million, three hundred eleven thousand, one".

Divisors: 1 7 71 497 201833 1412831 14330143 100311001