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117830212 = 2287733589
BaseRepresentation
bin1110000010111…
…11001001000100
322012201101122221
413001133021010
5220131031322
615405302124
72630353213
oct701371104
9265641587
10117830212
116056a645
1233564944
131b547426
141191307a
15a5279c7
hex705f244

117830212 has 12 divisors (see below), whose sum is σ = 206444140. Its totient is φ = 58846176.

The previous prime is 117830201. The next prime is 117830221. The reversal of 117830212 is 212038711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110124036 + 7706176 = 10494^2 + 2776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13287 + ... + 20302.

Almost surely, 2117830212 is an apocalyptic number.

It is an amenable number.

117830212 is a deficient number, since it is larger than the sum of its proper divisors (88613928).

117830212 is a wasteful number, since it uses less digits than its factorization.

117830212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34470 (or 34468 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 117830212 is about 10854.9625517548. The cubic root of 117830212 is about 490.2514494525.

Adding to 117830212 its reverse (212038711), we get a palindrome (329868923).

The spelling of 117830212 in words is "one hundred seventeen million, eight hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 877 1754 3508 33589 67178 134356 29457553 58915106 117830212