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112504161 = 37113713163
BaseRepresentation
bin1101011010010…
…10110101100001
321211200210200210
412231022311201
5212300113121
615055204333
72534161320
oct655126541
9254623623
10112504161
1158562050
12318166a9
131a401113
1410d280b7
159d24876
hex6b4ad61

112504161 has 32 divisors (see below), whose sum is σ = 192089088. Its totient is φ = 56859840.

The previous prime is 112504153. The next prime is 112504193. The reversal of 112504161 is 161405211.

It is not a de Polignac number, because 112504161 - 23 = 112504153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (112504121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (6002784).

Almost surely, 2112504161 is an apocalyptic number.

112504161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112504161 is a deficient number, since it is larger than the sum of its proper divisors (79584927).

112504161 is a wasteful number, since it uses less digits than its factorization.

112504161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 112504161 is about 10606.7978674056. The cubic root of 112504161 is about 482.7506439351.

Adding to 112504161 its reverse (161405211), we get a palindrome (273909372).

The spelling of 112504161 in words is "one hundred twelve million, five hundred four thousand, one hundred sixty-one".

Divisors: 1 3 7 11 21 33 37 77 111 231 259 407 777 1221 2849 8547 13163 39489 92141 144793 276423 434379 487031 1013551 1461093 3040653 3409217 5357341 10227651 16072023 37501387 112504161