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34432141 = 157219313
BaseRepresentation
bin1000001101011…
…0010010001101
32101210100000111
42003112102031
532303312031
63230000021
7565445152
oct203262215
971710014
1034432141
1118488417
12b646011
137197463
144804229
1530521b1
hex20d648d

34432141 has 4 divisors (see below), whose sum is σ = 34651612. Its totient is φ = 34212672.

The previous prime is 34432133. The next prime is 34432147. The reversal of 34432141 is 14123443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14123443 = 31145413.

It can be written as a sum of positive squares in 2 ways, for example, as 25462116 + 8970025 = 5046^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 34432141 - 23 = 34432133 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 (34432147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109500 + ... + 109813.

It is an arithmetic number, because the mean of its divisors is an integer number (8662903).

Almost surely, 234432141 is an apocalyptic number.

It is an amenable number.

34432141 is a deficient number, since it is larger than the sum of its proper divisors (219471).

34432141 is a wasteful number, since it uses less digits than its factorization.

34432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219470.

The product of its digits is 1152, while the sum is 22.

The square root of 34432141 is about 5867.8906772366. The cubic root of 34432141 is about 325.3279246344.

Adding to 34432141 its reverse (14123443), we get a palindrome (48555584).

The spelling of 34432141 in words is "thirty-four million, four hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 157 219313 34432141