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112420949 = 1773157577
BaseRepresentation
bin1101011001101…
…10100001010101
321211112120112212
412230312201111
5212234432244
615053323205
72533363604
oct654664125
9254476485
10112420949
1158505583
1231796505
131a3a2294
1410d05a3b
159d09d9e
hex6b36855

112420949 has 16 divisors (see below), whose sum is σ = 121643568. Its totient is φ = 103514112.

The previous prime is 112420921. The next prime is 112420951. The reversal of 112420949 is 949024211.

It can be written as a sum of positive squares in 8 ways, for example, as 19201924 + 93219025 = 4382^2 + 9655^2 .

It is a cyclic number.

It is not a de Polignac number, because 112420949 - 212 = 112416853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112420249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194549 + ... + 195125.

It is an arithmetic number, because the mean of its divisors is an integer number (7602723).

Almost surely, 2112420949 is an apocalyptic number.

It is an amenable number.

112420949 is a deficient number, since it is larger than the sum of its proper divisors (9222619).

112420949 is a wasteful number, since it uses less digits than its factorization.

112420949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 112420949 is about 10602.8745630607. The cubic root of 112420949 is about 482.6315948435.

The spelling of 112420949 in words is "one hundred twelve million, four hundred twenty thousand, nine hundred forty-nine".

Divisors: 1 17 73 157 577 1241 2669 9809 11461 42121 90589 194837 716057 1540013 6612997 112420949