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102432241 = 1932691973
BaseRepresentation
bin1100001101011…
…11110111110001
321010202002121201
412012233313301
5202210312431
614055251201
72352442162
oct606576761
9233662551
10102432241
115290294a
122a379b01
13182b58c2
14d865769
158ed5461
hex61afdf1

102432241 has 8 divisors (see below), whose sum is σ = 103398120. Its totient is φ = 101471232.

The previous prime is 102432229. The next prime is 102432283. The reversal of 102432241 is 142234201.

It can be written as a sum of positive squares in 4 ways, for example, as 2512225 + 99920016 = 1585^2 + 9996^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102432241 - 217 = 102301169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102430241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50931 + ... + 52903.

It is an arithmetic number, because the mean of its divisors is an integer number (12924765).

Almost surely, 2102432241 is an apocalyptic number.

It is an amenable number.

102432241 is a deficient number, since it is larger than the sum of its proper divisors (965879).

102432241 is a wasteful number, since it uses less digits than its factorization.

102432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102432241 is about 10120.8814339464. The cubic root of 102432241 is about 467.8919336159.

Adding to 102432241 its reverse (142234201), we get a palindrome (244666442).

The spelling of 102432241 in words is "one hundred two million, four hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 193 269 1973 51917 380789 530737 102432241