Search a number
-
+
112907890 = 25313379
BaseRepresentation
bin1101011101011…
…01011001110010
321212110022111201
412232231121302
5212401023030
615112001414
72540462344
oct656553162
9255408451
10112907890
1158808407
123199026a
131a512b04
1410dd1294
159da42ca
hex6bad672

112907890 has 32 divisors (see below), whose sum is σ = 210562560. Its totient is φ = 43590960.

The previous prime is 112907881. The next prime is 112907923. The reversal of 112907890 is 98709211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297721 + ... + 298099.

It is an arithmetic number, because the mean of its divisors is an integer number (6580080).

Almost surely, 2112907890 is an apocalyptic number.

112907890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112907890 is a deficient number, since it is larger than the sum of its proper divisors (97654670).

112907890 is an frugal number, since it uses more digits than its factorization.

112907890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 112907890 is about 10625.8124395267. The cubic root of 112907890 is about 483.3274159667.

The spelling of 112907890 in words is "one hundred twelve million, nine hundred seven thousand, eight hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 379 758 961 1895 1922 3790 4805 9610 11749 23498 29791 58745 59582 117490 148955 297910 364219 728438 1821095 3642190 11290789 22581578 56453945 112907890