Search a number
-
+
964688041 = 1098850349
BaseRepresentation
bin111001011111111…
…111100010101001
32111020020020012201
4321133333202221
53433430004131
6235420340201
732622466402
oct7137774251
92436206181
10964688041
114555a5449
1222b0a4661
13124b25435
14921989a9
1559a58761
hex397ff8a9

964688041 has 4 divisors (see below), whose sum is σ = 973538500. Its totient is φ = 955837584.

The previous prime is 964688027. The next prime is 964688047. The reversal of 964688041 is 140886469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140886469 = 363738737.

It can be written as a sum of positive squares in 2 ways, for example, as 225120016 + 739568025 = 15004^2 + 27195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-964688041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964687982 and 964688000.

It is not an unprimeable number, because it can be changed into a prime (964688047) 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, 4425066 + ... + 4425283.

It is an arithmetic number, because the mean of its divisors is an integer number (243384625).

Almost surely, 2964688041 is an apocalyptic number.

It is an amenable number.

964688041 is a deficient number, since it is larger than the sum of its proper divisors (8850459).

964688041 is a wasteful number, since it uses less digits than its factorization.

964688041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850458.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 964688041 is about 31059.4275703851. The cubic root of 964688041 is about 988.0880150327.

The spelling of 964688041 in words is "nine hundred sixty-four million, six hundred eighty-eight thousand, forty-one".

Divisors: 1 109 8850349 964688041