Search a number
-
+
102432401 = 1931173909
BaseRepresentation
bin1100001101011…
…11111010010001
321010202002211122
412012233322101
5202210314101
614055252025
72352442511
oct606577221
9233662748
10102432401
1152902a85
122a37a015
13182b59b6
14d865841
158ed551b
hex61afe91

102432401 has 8 divisors (see below), whose sum is σ = 111302400. Its totient is φ = 93910320.

The previous prime is 102432397. The next prime is 102432403. The reversal of 102432401 is 104234201.

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 102432401 - 22 = 102432397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102432401.

It is not an unprimeable number, because it can be changed into a prime (102432403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86366 + ... + 87543.

It is an arithmetic number, because the mean of its divisors is an integer number (13912800).

Almost surely, 2102432401 is an apocalyptic number.

It is an amenable number.

102432401 is a deficient number, since it is larger than the sum of its proper divisors (8869999).

102432401 is a wasteful number, since it uses less digits than its factorization.

102432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173959.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102432401 is about 10120.8893383931. The cubic root of 102432401 is about 467.8921772328.

Adding to 102432401 its reverse (104234201), we get a palindrome (206666602).

The spelling of 102432401 in words is "one hundred two million, four hundred thirty-two thousand, four hundred one".

Divisors: 1 19 31 589 173909 3304271 5391179 102432401