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103155313 = 1926920183
BaseRepresentation
bin1100010011000…
…00011001110001
321012002211111011
412021200121301
5202401432223
614122550521
72361543232
oct611403161
9235084434
10103155313
1153257128
122a668441
13184a9a61
14d9b3089
1590c980d
hex6260671

103155313 has 8 divisors (see below), whose sum is σ = 108993600. Its totient is φ = 97357968.

The previous prime is 103155257. The next prime is 103155319. The reversal of 103155313 is 313551301.

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 103155313 - 217 = 103024241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103155319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4981 + ... + 15202.

It is an arithmetic number, because the mean of its divisors is an integer number (13624200).

Almost surely, 2103155313 is an apocalyptic number.

It is an amenable number.

103155313 is a deficient number, since it is larger than the sum of its proper divisors (5838287).

103155313 is a wasteful number, since it uses less digits than its factorization.

103155313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20471.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 103155313 is about 10156.5404050789. The cubic root of 103155313 is about 468.9903071724.

The spelling of 103155313 in words is "one hundred three million, one hundred fifty-five thousand, three hundred thirteen".

Divisors: 1 19 269 5111 20183 383477 5429227 103155313