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69296893 = 371872889
BaseRepresentation
bin1000010000101…
…10001011111101
311211101122110121
410020112023331
5120220000033
610513134541
71501004521
oct410261375
9154348417
1069296893
1136130866
121b25a451
13114837a3
1492bbd81
15613c62d
hex42162fd

69296893 has 4 divisors (see below), whose sum is σ = 71169820. Its totient is φ = 67423968.

The previous prime is 69296881. The next prime is 69296959. The reversal of 69296893 is 39869296.

It is a happy number.

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 63011844 + 6285049 = 7938^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 69296893 - 213 = 69288701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69296893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69296993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936408 + ... + 936481.

It is an arithmetic number, because the mean of its divisors is an integer number (17792455).

Almost surely, 269296893 is an apocalyptic number.

It is an amenable number.

69296893 is a deficient number, since it is larger than the sum of its proper divisors (1872927).

69296893 is a wasteful number, since it uses less digits than its factorization.

69296893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872926.

The product of its digits is 1259712, while the sum is 52.

The square root of 69296893 is about 8324.4755390355. The cubic root of 69296893 is about 410.7440247740.

The spelling of 69296893 in words is "sixty-nine million, two hundred ninety-six thousand, eight hundred ninety-three".

Divisors: 1 37 1872889 69296893