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1679485870 = 253741110711
BaseRepresentation
bin110010000011010…
…1110101110101110
311100001020201111101
41210012232232232
511414422021440
6434353113314
756422252156
oct14406565656
94301221441
101679485870
11792031657
123aa55883a
13209c4612a
1411d0a5766
159c6a069a
hex641aebae

1679485870 has 32 divisors (see below), whose sum is σ = 3180534336. Its totient is φ = 637689600.

The previous prime is 1679485859. The next prime is 1679485897. The reversal of 1679485870 is 785849761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40186 + ... + 70525.

It is an arithmetic number, because the mean of its divisors is an integer number (99391698).

Almost surely, 21679485870 is an apocalyptic number.

1679485870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1679485870 is a deficient number, since it is larger than the sum of its proper divisors (1501048466).

1679485870 is a wasteful number, since it uses less digits than its factorization.

1679485870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110796.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 1679485870 is about 40981.5308401236. The cubic root of 1679485870 is about 1188.6631103787.

The spelling of 1679485870 in words is "one billion, six hundred seventy-nine million, four hundred eighty-five thousand, eight hundred seventy".

Divisors: 1 2 5 10 37 41 74 82 185 205 370 410 1517 3034 7585 15170 110711 221422 553555 1107110 4096307 4539151 8192614 9078302 20481535 22695755 40963070 45391510 167948587 335897174 839742935 1679485870