Search a number
-
+
112972005 = 32519711861
BaseRepresentation
bin1101011101111…
…01000011100101
321212120120110100
412232331003211
5212410101010
615113214313
72541150306
oct656750345
9255516410
10112972005
11588515a3
1231a01399
131a536053
141100a7ad
159db82c0
hex6bbd0e5

112972005 has 48 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 56246400.

The previous prime is 112972003. The next prime is 112972049. The reversal of 112972005 is 500279211.

It is not a de Polignac number, because 112972005 - 21 = 112972003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112972005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112972001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59775 + ... + 61635.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2112972005 is an apocalyptic number.

112972005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112972005 is a deficient number, since it is larger than the sum of its proper divisors (96167835).

112972005 is a wasteful number, since it uses less digits than its factorization.

112972005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 112972005 is about 10628.8289571335. The cubic root of 112972005 is about 483.4188848430.

The spelling of 112972005 in words is "one hundred twelve million, nine hundred seventy-two thousand, five".

Divisors: 1 3 5 9 15 19 45 57 71 95 171 213 285 355 639 855 1065 1349 1861 3195 4047 5583 6745 9305 12141 16749 20235 27915 35359 60705 83745 106077 132131 176795 318231 396393 530385 660655 1189179 1591155 1981965 2510489 5945895 7531467 12552445 22594401 37657335 112972005