Search a number
-
+
969509653 = 7595993919
BaseRepresentation
bin111001110010011…
…000101100010101
32111120022012012221
4321302120230111
53441143302103
6240111542341
733011460520
oct7162305425
92446265187
10969509653
11458298a52
1223082a9b1
13125b22c68
1492a91bb7
155a1ac1bd
hex39c98b15

969509653 has 16 divisors (see below), whose sum is σ = 1128960000. Its totient is φ = 815351472.

The previous prime is 969509617. The next prime is 969509669. The reversal of 969509653 is 356905969.

969509653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-969509653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 969509653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969509053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245428 + ... + 249346.

It is an arithmetic number, because the mean of its divisors is an integer number (70560000).

Almost surely, 2969509653 is an apocalyptic number.

It is an amenable number.

969509653 is a deficient number, since it is larger than the sum of its proper divisors (159450347).

969509653 is a wasteful number, since it uses less digits than its factorization.

969509653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 1968300, while the sum is 52.

The square root of 969509653 is about 31136.9499630262. The cubic root of 969509653 is about 989.7314691889.

The spelling of 969509653 in words is "nine hundred sixty-nine million, five hundred nine thousand, six hundred fifty-three".

Divisors: 1 7 59 413 599 3919 4193 27433 35341 231221 247387 1618547 2347481 16432367 138501379 969509653