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103103209 = 1110985991
BaseRepresentation
bin1100010010100…
…11101011101001
321012000012000101
412021103223221
5202343300314
614121505401
72361235306
oct611235351
9235005011
10103103209
1153220a70
122a642261
131848c121
14d99c0ad
1590b9174
hex6253ae9

103103209 has 8 divisors (see below), whose sum is σ = 113509440. Its totient is φ = 92869200.

The previous prime is 103103197. The next prime is 103103213. The reversal of 103103209 is 902301301.

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

It is a cyclic number.

It is not a de Polignac number, because 103103209 - 27 = 103103081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103103219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41797 + ... + 44194.

It is an arithmetic number, because the mean of its divisors is an integer number (14188680).

Almost surely, 2103103209 is an apocalyptic number.

It is an amenable number.

103103209 is a deficient number, since it is larger than the sum of its proper divisors (10406231).

103103209 is a wasteful number, since it uses less digits than its factorization.

103103209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86111.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 103103209 is about 10153.9750344385. The cubic root of 103103209 is about 468.9113311581.

The spelling of 103103209 in words is "one hundred three million, one hundred three thousand, two hundred nine".

Divisors: 1 11 109 1199 85991 945901 9373019 103103209