Search a number
-
+
34758643 = 347100169
BaseRepresentation
bin1000010010010…
…1111111110011
32102101220220011
42010211333303
532344234033
63240555351
7601305103
oct204457763
972356804
1034758643
1118690757
12b782b57
13727cc5a
14488b203
1530b8ccd
hex2125ff3

34758643 has 4 divisors (see below), whose sum is σ = 34859160. Its totient is φ = 34658128.

The previous prime is 34758637. The next prime is 34758653. The reversal of 34758643 is 34685743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34685743 = 131926297.

It is a cyclic number.

It is not a de Polignac number, because 34758643 - 213 = 34750451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34758596 and 34758605.

It is not an unprimeable number, because it can be changed into a prime (34758613) 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, 49738 + ... + 50431.

It is an arithmetic number, because the mean of its divisors is an integer number (8714790).

Almost surely, 234758643 is an apocalyptic number.

34758643 is a deficient number, since it is larger than the sum of its proper divisors (100517).

34758643 is a wasteful number, since it uses less digits than its factorization.

34758643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100516.

The product of its digits is 241920, while the sum is 40.

The square root of 34758643 is about 5895.6461053900. The cubic root of 34758643 is about 326.3529962582.

Subtracting from 34758643 its reverse (34685743), we obtain a square (72900 = 2702).

It can be divided in two parts, 347 and 58643, that multiplied together give a square (20349121 = 45112).

The spelling of 34758643 in words is "thirty-four million, seven hundred fifty-eight thousand, six hundred forty-three".

Divisors: 1 347 100169 34758643