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113223857 is a prime number
BaseRepresentation
bin1101011111110…
…10100010110001
321220001100221012
412233322202301
5212441130412
615122440305
72543246465
oct657724261
9256040835
10113223857
1158a0383a
1231b03095
131a5c3886
14110744a5
159e17c22
hex6bfa8b1

113223857 has 2 divisors, whose sum is σ = 113223858. Its totient is φ = 113223856.

The previous prime is 113223839. The next prime is 113223899. The reversal of 113223857 is 758322311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96216481 + 17007376 = 9809^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 113223857 - 226 = 46114993 is a prime.

It is not a weakly prime, because it can be changed into another prime (113223157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611928 + 56611929.

It is an arithmetic number, because the mean of its divisors is an integer number (56611929).

Almost surely, 2113223857 is an apocalyptic number.

It is an amenable number.

113223857 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223857 is an equidigital number, since it uses as much as digits as its factorization.

113223857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 113223857 is about 10640.6699507127. The cubic root of 113223857 is about 483.7778518018. Note that the first 3 decimals are identical.

The spelling of 113223857 in words is "one hundred thirteen million, two hundred twenty-three thousand, eight hundred fifty-seven".