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103243011 = 337990803
BaseRepresentation
bin1100010011101…
…01110100000011
321012021021210020
412021311310003
5202412234021
614124504523
72362360014
oct611656403
9235237706
10103243011
1153307003
122a6ab143
131850a951
14d9d700b
1590e57c6
hex6275d03

103243011 has 8 divisors (see below), whose sum is σ = 138022080. Its totient is φ = 68646312.

The previous prime is 103242917. The next prime is 103243027. The reversal of 103243011 is 110342301.

Adding to 103243011 its reverse (110342301), we get a palindrome (213585312).

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

It is not a de Polignac number, because 103243011 - 221 = 101145859 is a prime.

It is a super-2 number, since 2×1032430112 = 21318238640692242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103243411) 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 7 ways as a sum of consecutive naturals, for example, 44265 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (17252760).

Almost surely, 2103243011 is an apocalyptic number.

103243011 is a deficient number, since it is larger than the sum of its proper divisors (34779069).

103243011 is an equidigital number, since it uses as much as digits as its factorization.

103243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91185.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103243011 is about 10160.8568044235. The cubic root of 103243011 is about 469.1231743373.

The spelling of 103243011 in words is "one hundred three million, two hundred forty-three thousand, eleven".

Divisors: 1 3 379 1137 90803 272409 34414337 103243011