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69311426 = 234655713
BaseRepresentation
bin1000010000110…
…01101111000010
311211102101101212
410020121233002
5120220431201
610513330122
71501065062
oct410315702
9154371355
1069311426
1136140778
121b266942
131148a2a2
1492c33a2
156141abb
hex4219bc2

69311426 has 4 divisors (see below), whose sum is σ = 103967142. Its totient is φ = 34655712.

The previous prime is 69311423. The next prime is 69311441. The reversal of 69311426 is 62411396.

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

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 1825201 = 8215^2 + 1351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69311392 and 69311401.

It is not an unprimeable number, because it can be changed into a prime (69311423) by changing a digit.

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 as a sum of consecutive naturals, namely, 17327855 + ... + 17327858.

Almost surely, 269311426 is an apocalyptic number.

69311426 is a deficient number, since it is larger than the sum of its proper divisors (34655716).

69311426 is a wasteful number, since it uses less digits than its factorization.

69311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34655715.

The product of its digits is 7776, while the sum is 32.

The square root of 69311426 is about 8325.3484011181. The cubic root of 69311426 is about 410.7727366224.

The spelling of 69311426 in words is "sixty-nine million, three hundred eleven thousand, four hundred twenty-six".

Divisors: 1 2 34655713 69311426