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103354309 = 479215771
BaseRepresentation
bin1100010100100…
…00111111000101
321012110221110101
412022100333011
5202424314214
614131124101
72363332342
oct612207705
9235427411
10103354309
1153382693
122a743631
13185494c6
14da257c9
159118774
hex6290fc5

103354309 has 4 divisors (see below), whose sum is σ = 103570560. Its totient is φ = 103138060.

The previous prime is 103354301. The next prime is 103354331. The reversal of 103354309 is 903453301.

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: 903453301 = 5569162229.

It is a cyclic number.

It is not a de Polignac number, because 103354309 - 23 = 103354301 is a prime.

It is a super-2 number, since 2×1033543092 = 21364226377734962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103354301) 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, 107407 + ... + 108364.

It is an arithmetic number, because the mean of its divisors is an integer number (25892640).

Almost surely, 2103354309 is an apocalyptic number.

It is an amenable number.

103354309 is a deficient number, since it is larger than the sum of its proper divisors (216251).

103354309 is an equidigital number, since it uses as much as digits as its factorization.

103354309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216250.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 103354309 is about 10166.3321311081. The cubic root of 103354309 is about 469.2916884729.

The spelling of 103354309 in words is "one hundred three million, three hundred fifty-four thousand, three hundred nine".

Divisors: 1 479 215771 103354309