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68951375 = 53678233
BaseRepresentation
bin1000001110000…
…01110101001111
311210202002111122
410013001311033
5120122421000
610501511155
71465035263
oct407016517
9153662448
1068951375
1135a15209
121b1124bb
131139243c
14922c0a3
1560c0085
hex41c1d4f

68951375 has 16 divisors (see below), whose sum is σ = 87346272. Its totient is φ = 54331200.

The previous prime is 68951369. The next prime is 68951413. The reversal of 68951375 is 57315986.

It is not a de Polignac number, because 68951375 - 212 = 68947279 is a prime.

It is a super-2 number, since 2×689513752 = 9508584228781250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4259 + ... + 12491.

It is an arithmetic number, because the mean of its divisors is an integer number (5459142).

Almost surely, 268951375 is an apocalyptic number.

68951375 is a deficient number, since it is larger than the sum of its proper divisors (18394897).

68951375 is an equidigital number, since it uses as much as digits as its factorization.

68951375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315 (or 8305 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 68951375 is about 8303.6964660325. The cubic root of 68951375 is about 410.0602231584.

The spelling of 68951375 in words is "sixty-eight million, nine hundred fifty-one thousand, three hundred seventy-five".

Divisors: 1 5 25 67 125 335 1675 8233 8375 41165 205825 551611 1029125 2758055 13790275 68951375