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69956668 = 2217489167
BaseRepresentation
bin1000010101101…
…11010000111100
311212122011111201
410022313100330
5120402103133
610535225244
71506423205
oct412672074
9155564451
1069956668
1136541531
121b518224
1311654ba2
1494105ac
15621cd7d
hex42b743c

69956668 has 6 divisors (see below), whose sum is σ = 122424176. Its totient is φ = 34978332.

The previous prime is 69956617. The next prime is 69956669. The reversal of 69956668 is 86665996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69956669) 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 as a sum of consecutive naturals, namely, 8744580 + ... + 8744587.

Almost surely, 269956668 is an apocalyptic number.

It is an amenable number.

69956668 is a deficient number, since it is larger than the sum of its proper divisors (52467508).

69956668 is a wasteful number, since it uses less digits than its factorization.

69956668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489171 (or 17489169 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 69956668 is about 8364.0102821553. The cubic root of 69956668 is about 412.0434726491.

The spelling of 69956668 in words is "sixty-nine million, nine hundred fifty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 17489167 34978334 69956668