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69431034 = 2311571839
BaseRepresentation
bin1000010001101…
…10111011111010
311211122110110210
410020312323322
5120233243114
610520051550
71502103561
oct410667372
9154573423
1069431034
1136212622
121b303bb6
13114cc86a
149314bd8
156167259
hex4236efa

69431034 has 8 divisors (see below), whose sum is σ = 138862080. Its totient is φ = 23143676.

The previous prime is 69431003. The next prime is 69431039. The reversal of 69431034 is 43013496.

It is a sphenic number, since it is the product of 3 distinct primes.

69431034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 69430992 and 69431010.

It is not an unprimeable number, because it can be changed into a prime (69431039) 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, 5785914 + ... + 5785925.

It is an arithmetic number, because the mean of its divisors is an integer number (17357760).

Almost surely, 269431034 is an apocalyptic number.

69431034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69431034 is a wasteful number, since it uses less digits than its factorization.

69431034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571844.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 69431034 is about 8332.5286678175. The cubic root of 69431034 is about 411.0088856184.

The spelling of 69431034 in words is "sixty-nine million, four hundred thirty-one thousand, thirty-four".

Divisors: 1 2 3 6 11571839 23143678 34715517 69431034