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1872478116 = 2232232261447
BaseRepresentation
bin110111110011011…
…1011111110100100
311211111101202002100
41233212323332210
512313323244431
6505445412100
764254541605
oct15746737644
94744352070
101872478116
11880a68583
1244310a030
1323ac18822
1413a981dac
15ae5c34e6
hex6f9bbfa4

1872478116 has 36 divisors (see below), whose sum is σ = 4939002432. Its totient is φ = 597021744.

The previous prime is 1872478109. The next prime is 1872478117. The reversal of 1872478116 is 6118742781.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1872478117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129896 + ... + 1131551.

It is an arithmetic number, because the mean of its divisors is an integer number (137194512).

Almost surely, 21872478116 is an apocalyptic number.

It is an amenable number.

1872478116 is an abundant number, since it is smaller than the sum of its proper divisors (3066524316).

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

1872478116 is a wasteful number, since it uses less digits than its factorization.

1872478116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261480 (or 2261475 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 1872478116 is about 43272.1401828012. The cubic root of 1872478116 is about 1232.5529446074.

The spelling of 1872478116 in words is "one billion, eight hundred seventy-two million, four hundred seventy-eight thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 2261447 4522894 6784341 9045788 13568682 20353023 27137364 40706046 52013281 81412092 104026562 156039843 208053124 312079686 468119529 624159372 936239058 1872478116