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1670681336 = 23937722271
BaseRepresentation
bin110001110010100…
…1001001011111000
311022102200101221112
41203211021023320
511410143300321
6433440255452
756254362032
oct14345111370
94272611845
101670681336
11788068685
123a7611588
1320818274c
1411bc52c52
159ba11a5b
hex639492f8

1670681336 has 16 divisors (see below), whose sum is σ = 3133002240. Its totient is φ = 835214080.

The previous prime is 1670681323. The next prime is 1670681339. The reversal of 1670681336 is 6331860761.

It is a super-2 number, since 2×16706813362 = 5582352252917489792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1670681293 and 1670681302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670681339) 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, 63881 + ... + 86151.

It is an arithmetic number, because the mean of its divisors is an integer number (195812640).

Almost surely, 21670681336 is an apocalyptic number.

It is an amenable number.

1670681336 is a deficient number, since it is larger than the sum of its proper divisors (1462320904).

1670681336 is a wasteful number, since it uses less digits than its factorization.

1670681336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31654 (or 31650 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1670681336 is about 40873.9689288916. The cubic root of 1670681336 is about 1186.5823215030.

The spelling of 1670681336 in words is "one billion, six hundred seventy million, six hundred eighty-one thousand, three hundred thirty-six".

Divisors: 1 2 4 8 9377 18754 22271 37508 44542 75016 89084 178168 208835167 417670334 835340668 1670681336