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112770389 = 213152919
BaseRepresentation
bin1101011100010…
…11110101010101
321212012022220002
412232023311111
5212332123024
615105021045
72536350434
oct656136525
9255168802
10112770389
1158724076
1231924785
131a495354
1410d9711b
159d786ae
hex6b8bd55

112770389 has 4 divisors (see below), whose sum is σ = 112825440. Its totient is φ = 112715340.

The previous prime is 112770373. The next prime is 112770397. The reversal of 112770389 is 983077211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112770389 - 24 = 112770373 is a prime.

It is a super-2 number, since 2×1127703892 = 25434321270422642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112770319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24329 + ... + 28590.

It is an arithmetic number, because the mean of its divisors is an integer number (28206360).

Almost surely, 2112770389 is an apocalyptic number.

It is an amenable number.

112770389 is a deficient number, since it is larger than the sum of its proper divisors (55051).

112770389 is an equidigital number, since it uses as much as digits as its factorization.

112770389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55050.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 112770389 is about 10619.3403279111. The cubic root of 112770389 is about 483.1311350302.

The spelling of 112770389 in words is "one hundred twelve million, seven hundred seventy thousand, three hundred eighty-nine".

Divisors: 1 2131 52919 112770389