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100132001 = 181155291
BaseRepresentation
bin1011111011111…
…10010010100001
320222102020021122
411331332102201
5201113211001
613534102025
72324052014
oct575762241
9228366248
10100132001
1151581722
122964a915
131798b908
14d42737b
158bcdb1b
hex5f7e4a1

100132001 has 4 divisors (see below), whose sum is σ = 100189104. Its totient is φ = 100074900.

The previous prime is 100131961. The next prime is 100132013. The reversal of 100132001 is 100231001.

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 a de Polignac number, because none of the positive numbers 2k-100132001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100132001.

It is not an unprimeable number, because it can be changed into a prime (100132301) 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, 25835 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (25047276).

Almost surely, 2100132001 is an apocalyptic number.

It is an amenable number.

100132001 is a deficient number, since it is larger than the sum of its proper divisors (57103).

100132001 is an equidigital number, since it uses as much as digits as its factorization.

100132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57102.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100132001 is about 10006.5978734033. The cubic root of 100132001 is about 464.3630250205.

Adding to 100132001 its reverse (100231001), we get a palindrome (200363002).

The spelling of 100132001 in words is "one hundred million, one hundred thirty-two thousand, one".

Divisors: 1 1811 55291 100132001