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105253351 = 747319919
BaseRepresentation
bin1100100011000…
…00100111100111
321100001102110021
412101200213213
5203421101401
614235540011
72415432040
oct621404747
9240042407
10105253351
115445a445
122b2ba607
1318a629b8
14dd9b8c7
1593912a1
hex64609e7

105253351 has 8 divisors (see below), whose sum is σ = 122849280. Its totient is φ = 88297368.

The previous prime is 105253321. The next prime is 105253363. The reversal of 105253351 is 153352501.

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 105253351 - 25 = 105253319 is a prime.

It is a super-2 number, since 2×1052533512 = 22156535793458402, 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 (105253301) 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 7 ways as a sum of consecutive naturals, for example, 159631 + ... + 160288.

It is an arithmetic number, because the mean of its divisors is an integer number (15356160).

Almost surely, 2105253351 is an apocalyptic number.

105253351 is a deficient number, since it is larger than the sum of its proper divisors (17595929).

105253351 is an equidigital number, since it uses as much as digits as its factorization.

105253351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319973.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 105253351 is about 10259.3055807886. The cubic root of 105253351 is about 472.1485321466.

The spelling of 105253351 in words is "one hundred five million, two hundred fifty-three thousand, three hundred fifty-one".

Divisors: 1 7 47 329 319919 2239433 15036193 105253351