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35668381 = 75095483
BaseRepresentation
bin1000100000010…
…0000110011101
32111010010211011
42020010012131
533112342011
63312255221
7612114310
oct210040635
974103734
1035668381
1119152201
12bb41511
13750b068
144a46977
1531e8621
hex220419d

35668381 has 4 divisors (see below), whose sum is σ = 40763872. Its totient is φ = 30572892.

The previous prime is 35668379. The next prime is 35668387. The reversal of 35668381 is 18386653.

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: 18386653 = 49936847.

It is not a de Polignac number, because 35668381 - 21 = 35668379 is a prime.

It is a super-2 number, since 2×356683812 = 2544466806322322, 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 (35668387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547735 + ... + 2547748.

It is an arithmetic number, because the mean of its divisors is an integer number (10190968).

Almost surely, 235668381 is an apocalyptic number.

It is an amenable number.

35668381 is a deficient number, since it is larger than the sum of its proper divisors (5095491).

35668381 is an equidigital number, since it uses as much as digits as its factorization.

35668381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095490.

The product of its digits is 103680, while the sum is 40.

The square root of 35668381 is about 5972.3011477989. The cubic root of 35668381 is about 329.1757236697.

The spelling of 35668381 in words is "thirty-five million, six hundred sixty-eight thousand, three hundred eighty-one".

Divisors: 1 7 5095483 35668381