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8690000697 = 32733737547
BaseRepresentation
bin10000001011111011…
…01110001100111001
3211102121202202220200
420011331232030321
5120244120010242
63554144512413
7425226534000
oct100575561471
924377682820
108690000697
11375a308164
12182631b709
13a86491061
145c619bc37
1535cd9504c
hex205f6e339

8690000697 has 48 divisors (see below), whose sum is σ = 14679350400. Its totient is φ = 4951745568.

The previous prime is 8690000651. The next prime is 8690000719. The reversal of 8690000697 is 7960000968.

It is not a de Polignac number, because 8690000697 - 211 = 8689998649 is a prime.

It is a super-2 number, since 2×86900006972 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8690000617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1147678 + ... + 1155224.

It is an arithmetic number, because the mean of its divisors is an integer number (305819800).

Almost surely, 28690000697 is an apocalyptic number.

It is an amenable number.

8690000697 is a deficient number, since it is larger than the sum of its proper divisors (5989349703).

8690000697 is a wasteful number, since it uses less digits than its factorization.

8690000697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 8690000697 is about 93220.1732298326. The cubic root of 8690000697 is about 2055.9218575206.

The spelling of 8690000697 in words is "eight billion, six hundred ninety million, six hundred ninety-seven", and thus it is an aban number.

Divisors: 1 3 7 9 21 49 63 147 343 373 441 1029 1119 2611 3087 3357 7547 7833 18277 22641 23499 52829 54831 67923 127939 158487 164493 369803 383817 475461 1109409 1151451 2588621 2815031 3328227 7765863 8445093 19705217 23297589 25335279 59115651 137936519 177346953 413809557 965555633 1241428671 2896666899 8690000697