Search a number
-
+
112997028 = 223171929153
BaseRepresentation
bin1101011110000…
…11001010100100
321212121211210010
412233003022210
5212411401103
615113530220
72541313254
oct657031244
9255554703
10112997028
1158869381
1231a13970
131a544561
1411015964
159dc0903
hex6bc32a4

112997028 has 48 divisors (see below), whose sum is σ = 293872320. Its totient is φ = 33583104.

The previous prime is 112997023. The next prime is 112997099. The reversal of 112997028 is 820799211.

It is not an unprimeable number, because it can be changed into a prime (112997023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10701 + ... + 18452.

It is an arithmetic number, because the mean of its divisors is an integer number (6122340).

Almost surely, 2112997028 is an apocalyptic number.

It is an amenable number.

112997028 is an abundant number, since it is smaller than the sum of its proper divisors (180875292).

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

112997028 is a wasteful number, since it uses less digits than its factorization.

112997028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196 (or 29194 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 112997028 is about 10630.0060206944. The cubic root of 112997028 is about 483.4545742091.

The spelling of 112997028 in words is "one hundred twelve million, nine hundred ninety-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3876 29153 58306 87459 116612 174918 349836 495601 553907 991202 1107814 1486803 1661721 1982404 2215628 2973606 3323442 5947212 6646884 9416419 18832838 28249257 37665676 56498514 112997028