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103028591 is a prime number
BaseRepresentation
bin1100010010000…
…01011101101111
321011212101122202
412021001131233
5202333403331
614120132115
72360504621
oct611013557
9234771582
10103028591
115317a9a6
122a60703b
1318464183
14d97cc11
1590a1ecb
hex624176f

103028591 has 2 divisors, whose sum is σ = 103028592. Its totient is φ = 103028590.

The previous prime is 103028587. The next prime is 103028603. The reversal of 103028591 is 195820301.

It is a weak prime.

It is an emirp because it is prime and its reverse (195820301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103028591 - 22 = 103028587 is a prime.

It is a super-2 number, since 2×1030285912 = 21229781126890562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103028291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51514295 + 51514296.

It is an arithmetic number, because the mean of its divisors is an integer number (51514296).

Almost surely, 2103028591 is an apocalyptic number.

103028591 is a deficient number, since it is larger than the sum of its proper divisors (1).

103028591 is an equidigital number, since it uses as much as digits as its factorization.

103028591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 103028591 is about 10150.3000448263. The cubic root of 103028591 is about 468.7981834677.

Adding to 103028591 its reverse (195820301), we get a palindrome (298848892).

The spelling of 103028591 in words is "one hundred three million, twenty-eight thousand, five hundred ninety-one".