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6968644 = 221742161
BaseRepresentation
bin11010100101010101000100
3111010001011221
4122211111010
53240444034
6405210124
7113142514
oct32452504
914101157
106968644
113a2a711
122400944
13159cb77
14cd5844
15929bb4
hex6a5544

6968644 has 6 divisors (see below), whose sum is σ = 12195134. Its totient is φ = 3484320.

The previous prime is 6968629. The next prime is 6968659. The reversal of 6968644 is 4468696.

It is an interprime number because it is at equal distance from previous prime (6968629) and next prime (6968659).

It can be written as a sum of positive squares in only one way, i.e., 5008644 + 1960000 = 2238^2 + 1400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6968644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871077 + ... + 871084.

Almost surely, 26968644 is an apocalyptic number.

It is an amenable number.

6968644 is a deficient number, since it is larger than the sum of its proper divisors (5226490).

6968644 is a wasteful number, since it uses less digits than its factorization.

6968644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742165 (or 1742163 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 6968644 is about 2639.8189331846. The cubic root of 6968644 is about 191.0070627762.

The spelling of 6968644 in words is "six million, nine hundred sixty-eight thousand, six hundred forty-four".

Divisors: 1 2 4 1742161 3484322 6968644