Search a number
-
+
34508440 = 2351276793
BaseRepresentation
bin1000001110100…
…0111010011000
32101221012200101
42003220322120
532313232230
63231345144
7566213461
oct203507230
971835611
1034508440
111852a77a
12b6821b4
1371c30c5
144823d68
153069aca
hex20e8e98

34508440 has 32 divisors (see below), whose sum is σ = 78266880. Its totient is φ = 13692672.

The previous prime is 34508437. The next prime is 34508447. The reversal of 34508440 is 4480543.

It is a junction number, because it is equal to n+sod(n) for n = 34508399 and 34508408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34508447) 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 7 ways as a sum of consecutive naturals, for example, 1684 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (2445840).

Almost surely, 234508440 is an apocalyptic number.

It is an amenable number.

34508440 is an abundant number, since it is smaller than the sum of its proper divisors (43758440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34508440 is a wasteful number, since it uses less digits than its factorization.

34508440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 34508440 is about 5874.3884788121. The cubic root of 34508440 is about 325.5680479847.

Adding to 34508440 its reverse (4480543), we get a palindrome (38988983).

The spelling of 34508440 in words is "thirty-four million, five hundred eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 5080 6793 13586 27172 33965 54344 67930 135860 271720 862711 1725422 3450844 4313555 6901688 8627110 17254220 34508440