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69422947 = 1123331829
BaseRepresentation
bin1000010001101…
…00111101100011
311211122001101021
410020310331203
5120233013242
610515550311
71502041156
oct410647543
9154561337
1069422947
1136207540
121b2bb397
13114c8c89
149311c9d
156164b67
hex4234f63

69422947 has 16 divisors (see below), whose sum is σ = 79361280. Its totient is φ = 60112800.

The previous prime is 69422933. The next prime is 69422987. The reversal of 69422947 is 74922496.

It is not a de Polignac number, because 69422947 - 215 = 69390179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69422987) 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 15 ways as a sum of consecutive naturals, for example, 83329 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (4960080).

Almost surely, 269422947 is an apocalyptic number.

69422947 is a deficient number, since it is larger than the sum of its proper divisors (9938333).

69422947 is a wasteful number, since it uses less digits than its factorization.

69422947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 217728, while the sum is 43.

The square root of 69422947 is about 8332.0433868289. The cubic root of 69422947 is about 410.9929275388.

It can be divided in two parts, 6942 and 2947, that added together give a palindrome (9889).

The spelling of 69422947 in words is "sixty-nine million, four hundred twenty-two thousand, nine hundred forty-seven".

Divisors: 1 11 23 253 331 829 3641 7613 9119 19067 83743 209737 274399 3018389 6311177 69422947