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112020557 = 1123442769
BaseRepresentation
bin1101010110101…
…00110001001101
321210210020022112
412223110301031
5212134124212
615040553405
72530105355
oct653246115
9253706275
10112020557
1158261780
1231622865
131a291c6c
1410c3db65
159c7b422
hex6ad4c4d

112020557 has 8 divisors (see below), whose sum is σ = 127517760. Its totient is φ = 97408960.

The previous prime is 112020539. The next prime is 112020563. The reversal of 112020557 is 755020211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112020557 - 210 = 112019533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221132 + ... + 221637.

It is an arithmetic number, because the mean of its divisors is an integer number (15939720).

Almost surely, 2112020557 is an apocalyptic number.

It is an amenable number.

112020557 is a deficient number, since it is larger than the sum of its proper divisors (15497203).

112020557 is a wasteful number, since it uses less digits than its factorization.

112020557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442803.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 112020557 is about 10583.9764266555. The cubic root of 112020557 is about 482.0579422777.

Adding to 112020557 its reverse (755020211), we get a palindrome (867040768).

The spelling of 112020557 in words is "one hundred twelve million, twenty thousand, five hundred fifty-seven".

Divisors: 1 11 23 253 442769 4870459 10183687 112020557