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100432141 = 175907773
BaseRepresentation
bin1011111110001…
…11100100001101
320222222110222221
411333013210031
5201202312031
613544335341
72326442035
oct577074415
9228873887
10100432141
1151767177
1229774551
1317a65404
14d4a48c5
158c3ca11
hex5fc790d

100432141 has 4 divisors (see below), whose sum is σ = 106339932. Its totient is φ = 94524352.

The previous prime is 100432117. The next prime is 100432183. The reversal of 100432141 is 141234001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141234001 = 541261061.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 62252100 = 6179^2 + 7890^2 .

It is a de Polignac number, because none of the positive numbers 2k-100432141 is a prime.

It is a super-2 number, since 2×1004321412 = 20173229891687762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100432441) 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, 2953870 + ... + 2953903.

It is an arithmetic number, because the mean of its divisors is an integer number (26584983).

Almost surely, 2100432141 is an apocalyptic number.

It is an amenable number.

100432141 is a deficient number, since it is larger than the sum of its proper divisors (5907791).

100432141 is an equidigital number, since it uses as much as digits as its factorization.

100432141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907790.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100432141 is about 10021.5837570715. The cubic root of 100432141 is about 464.8265295053.

Adding to 100432141 its reverse (141234001), we get a palindrome (241666142).

The spelling of 100432141 in words is "one hundred million, four hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 17 5907773 100432141