Search a number
-
+
103113961 = 280336787
BaseRepresentation
bin1100010010101…
…10010011101001
321012000201202121
412021112103221
5202344121321
614122031241
72361311536
oct611262351
9235021677
10103113961
1153229055
122a648521
1318493ca2
14d9a1d8d
1590bc441
hex62564e9

103113961 has 4 divisors (see below), whose sum is σ = 103153552. Its totient is φ = 103074372.

The previous prime is 103113949. The next prime is 103114003. The reversal of 103113961 is 169311301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169311301 = 1439117659.

It is a cyclic number.

It is not a de Polignac number, because 103113961 - 25 = 103113929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103114961) 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, 15591 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (25788388).

Almost surely, 2103113961 is an apocalyptic number.

It is an amenable number.

103113961 is a deficient number, since it is larger than the sum of its proper divisors (39591).

103113961 is an equidigital number, since it uses as much as digits as its factorization.

103113961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39590.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 103113961 is about 10154.5044684613. The cubic root of 103113961 is about 468.9276305518.

The spelling of 103113961 in words is "one hundred three million, one hundred thirteen thousand, nine hundred sixty-one".

Divisors: 1 2803 36787 103113961