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103331057 = 711455367
BaseRepresentation
bin1100010100010…
…11010011110001
321012102202120012
412022023103301
5202423043212
614130424305
72363204504
oct612132361
9235382505
10103331057
1153367175
122a732095
131853ba4b
14da1b13b
159111922
hex628b4f1

103331057 has 4 divisors (see below), whose sum is σ = 104786496. Its totient is φ = 101875620.

The previous prime is 103331027. The next prime is 103331069. The reversal of 103331057 is 750133301.

It is a happy number.

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 103331057 - 26 = 103330993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103331027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727613 + ... + 727754.

It is an arithmetic number, because the mean of its divisors is an integer number (26196624).

Almost surely, 2103331057 is an apocalyptic number.

It is an amenable number.

103331057 is a deficient number, since it is larger than the sum of its proper divisors (1455439).

103331057 is an equidigital number, since it uses as much as digits as its factorization.

103331057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455438.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 103331057 is about 10165.1884881688. The cubic root of 103331057 is about 469.2564930729.

Adding to 103331057 its reverse (750133301), we get a palindrome (853464358).

The spelling of 103331057 in words is "one hundred three million, three hundred thirty-one thousand, fifty-seven".

Divisors: 1 71 1455367 103331057