Search a number
-
+
70432101 = 327825789
BaseRepresentation
bin1000011001010…
…11010101100101
311220112022200100
410030223111211
5121012311401
610553334313
71513443255
oct414532545
9156468610
1070432101
1136836753
121b707399
13117903cc
1494d5965
1562b3b86
hex432b565

70432101 has 6 divisors (see below), whose sum is σ = 101735270. Its totient is φ = 46954728.

The previous prime is 70432099. The next prime is 70432123. The reversal of 70432101 is 10123407.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 29484900 = 6399^2 + 5430^2 .

It is not a de Polignac number, because 70432101 - 21 = 70432099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70432171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3912886 + ... + 3912903.

Almost surely, 270432101 is an apocalyptic number.

It is an amenable number.

70432101 is a deficient number, since it is larger than the sum of its proper divisors (31303169).

70432101 is a wasteful number, since it uses less digits than its factorization.

70432101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825795 (or 7825792 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70432101 is about 8392.3835112559. The cubic root of 70432101 is about 412.9747965398.

Adding to 70432101 its reverse (10123407), we get a palindrome (80555508).

The spelling of 70432101 in words is "seventy million, four hundred thirty-two thousand, one hundred one".

Divisors: 1 3 9 7825789 23477367 70432101