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103297143 = 397354973
BaseRepresentation
bin1100010100000…
…11000001110111
321012101001001010
412022003001313
5202421002033
614130003303
72363003565
oct612030167
9235331033
10103297143
1153343744
122a716533
1318529491
14da0ca35
159106863
hex6283077

103297143 has 8 divisors (see below), whose sum is σ = 139149808. Its totient is φ = 68154624.

The previous prime is 103297127. The next prime is 103297157. The reversal of 103297143 is 341792301.

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

It is not a de Polignac number, because 103297143 - 24 = 103297127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103297143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103297123) 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, 177196 + ... + 177777.

It is an arithmetic number, because the mean of its divisors is an integer number (17393726).

Almost surely, 2103297143 is an apocalyptic number.

103297143 is a deficient number, since it is larger than the sum of its proper divisors (35852665).

103297143 is an equidigital number, since it uses as much as digits as its factorization.

103297143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355073.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 103297143 is about 10163.5202070936. The cubic root of 103297143 is about 469.2051496641.

The spelling of 103297143 in words is "one hundred three million, two hundred ninety-seven thousand, one hundred forty-three".

Divisors: 1 3 97 291 354973 1064919 34432381 103297143