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69494401 = 229303469
BaseRepresentation
bin1000010010001…
…10011010000001
311211202200101201
410021012122001
5120242310101
610521301201
71502456404
oct411063201
9154680351
1069494401
1136256199
121b334801
1311522662
14932dd3b
15617ae01
hex4246681

69494401 has 4 divisors (see below), whose sum is σ = 69798100. Its totient is φ = 69190704.

The previous prime is 69494393. The next prime is 69494429. The reversal of 69494401 is 10449496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 35283600 = 5849^2 + 5940^2 .

It is a cyclic number.

It is not a de Polignac number, because 69494401 - 23 = 69494393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69494441) 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, 151506 + ... + 151963.

It is an arithmetic number, because the mean of its divisors is an integer number (17449525).

Almost surely, 269494401 is an apocalyptic number.

It is an amenable number.

69494401 is a deficient number, since it is larger than the sum of its proper divisors (303699).

69494401 is a wasteful number, since it uses less digits than its factorization.

69494401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303698.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 69494401 is about 8336.3301877985. The cubic root of 69494401 is about 411.1338848651.

The spelling of 69494401 in words is "sixty-nine million, four hundred ninety-four thousand, four hundred one".

Divisors: 1 229 303469 69494401