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34051631 = 47971089
BaseRepresentation
bin1000000111100…
…1011000101111
32101002000001112
42001321120233
532204123011
63213502235
7562301615
oct201713057
971060045
1034051631
1118248549
12b4a197b
1370931c3
1447456b5
152ec958b
hex207962f

34051631 has 4 divisors (see below), whose sum is σ = 34123200. Its totient is φ = 33980064.

The previous prime is 34051627. The next prime is 34051637. The reversal of 34051631 is 13615043.

It is a happy number.

34051631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13615043 = 131047311.

It is a cyclic number.

It is not a de Polignac number, because 34051631 - 22 = 34051627 is a prime.

It is a super-2 number, since 2×340516312 = 2319027147520322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34051597 and 34051606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34051637) 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 3 ways as a sum of consecutive naturals, for example, 35066 + ... + 36023.

It is an arithmetic number, because the mean of its divisors is an integer number (8530800).

Almost surely, 234051631 is an apocalyptic number.

34051631 is a deficient number, since it is larger than the sum of its proper divisors (71569).

34051631 is an equidigital number, since it uses as much as digits as its factorization.

34051631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71568.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 34051631 is about 5835.3775370579. The cubic root of 34051631 is about 324.1250818938.

Adding to 34051631 its reverse (13615043), we get a palindrome (47666674).

It can be divided in two parts, 3405 and 1631, that multiplied together give a palindrome (5553555).

The spelling of 34051631 in words is "thirty-four million, fifty-one thousand, six hundred thirty-one".

Divisors: 1 479 71089 34051631