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6965045 = 53893581
BaseRepresentation
bin11010100100011100110101
3111002212020122
4122210130311
53240340140
6405141325
7113126153
oct32443465
914085218
106965045
113a27a3a
1223ba845
13159b339
14cd43d3
15928ab5
hex6a4735

6965045 has 8 divisors (see below), whose sum is σ = 8381880. Its totient is φ = 5556160.

The previous prime is 6965027. The next prime is 6965047. The reversal of 6965045 is 5405696.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 5870929 = 1046^2 + 2423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6965045 - 210 = 6964021 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6964996 and 6965014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6965047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (1047735).

Almost surely, 26965045 is an apocalyptic number.

It is an amenable number.

6965045 is a deficient number, since it is larger than the sum of its proper divisors (1416835).

6965045 is a wasteful number, since it uses less digits than its factorization.

6965045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6965045 is about 2639.1371696068. The cubic root of 6965045 is about 190.9741748477.

The spelling of 6965045 in words is "six million, nine hundred sixty-five thousand, forty-five".

Divisors: 1 5 389 1945 3581 17905 1393009 6965045