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69830044 = 2253329387
BaseRepresentation
bin1000010100110…
…00010110011100
311212101201210221
410022120112130
5120334030134
610532411124
71505355064
oct412302634
9155351727
1069830044
1136465389
121b476aa4
131160c36b
1493ba3a4
1561e55b4
hex429859c

69830044 has 12 divisors (see below), whose sum is σ = 124508664. Its totient is φ = 34256144.

The previous prime is 69830027. The next prime is 69830051. The reversal of 69830044 is 44003896.

It is a junction number, because it is equal to n+sod(n) for n = 69829991 and 69830009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164482 + ... + 164905.

It is an arithmetic number, because the mean of its divisors is an integer number (10375722).

Almost surely, 269830044 is an apocalyptic number.

It is an amenable number.

69830044 is a deficient number, since it is larger than the sum of its proper divisors (54678620).

69830044 is a wasteful number, since it uses less digits than its factorization.

69830044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329444 (or 329442 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 69830044 is about 8356.4372791280. The cubic root of 69830044 is about 411.7947181694.

The spelling of 69830044 in words is "sixty-nine million, eight hundred thirty thousand, forty-four".

Divisors: 1 2 4 53 106 212 329387 658774 1317548 17457511 34915022 69830044