Search a number
-
+
34387983 = 34760649
BaseRepresentation
bin1000001100101…
…1100000001111
32101201002110000
42003023200033
532300403413
63225015343
7565202340
oct203134017
971632400
1034387983
1118458223
12b624553
137180326
1447d20c7
153044073
hex20cb80f

34387983 has 20 divisors (see below), whose sum is σ = 58709200. Its totient is φ = 19649952.

The previous prime is 34387963. The next prime is 34387987. The reversal of 34387983 is 38978343.

It is a happy number.

It is not a de Polignac number, because 34387983 - 213 = 34379791 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 (34387987) 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 19 ways as a sum of consecutive naturals, for example, 29758 + ... + 30891.

It is an arithmetic number, because the mean of its divisors is an integer number (2935460).

Almost surely, 234387983 is an apocalyptic number.

34387983 is a deficient number, since it is larger than the sum of its proper divisors (24321217).

34387983 is an equidigital number, since it uses as much as digits as its factorization.

34387983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60668 (or 60659 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 34387983 is about 5864.1267892159. The cubic root of 34387983 is about 325.1887912968.

The spelling of 34387983 in words is "thirty-four million, three hundred eighty-seven thousand, nine hundred eighty-three".

Divisors: 1 3 7 9 21 27 63 81 189 567 60649 181947 424543 545841 1273629 1637523 3820887 4912569 11462661 34387983