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34061645 = 537184117
BaseRepresentation
bin1000000111101…
…1110101001101
32101002111210102
42001323311031
532204433040
63214020445
7562343042
oct201736515
971074712
1034061645
1118255022
12b4a7725
137097927
1447491c9
152ecc515
hex207bd4d

34061645 has 8 divisors (see below), whose sum is σ = 41978904. Its totient is φ = 26512704.

The previous prime is 34061641. The next prime is 34061681. The reversal of 34061645 is 54616043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1833316 + 32228329 = 1354^2 + 5677^2 .

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 34061645 - 22 = 34061641 is a prime.

It is a super-3 number, since 3×340616453 (a number of 24 digits) contains 333 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 (34061641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91874 + ... + 92243.

It is an arithmetic number, because the mean of its divisors is an integer number (5247363).

Almost surely, 234061645 is an apocalyptic number.

It is an amenable number.

34061645 is a deficient number, since it is larger than the sum of its proper divisors (7917259).

34061645 is a wasteful number, since it uses less digits than its factorization.

34061645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184159.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 34061645 is about 5836.2355161525. The cubic root of 34061645 is about 324.1568519867.

Adding to 34061645 its reverse (54616043), we get a palindrome (88677688).

The spelling of 34061645 in words is "thirty-four million, sixty-one thousand, six hundred forty-five".

Divisors: 1 5 37 185 184117 920585 6812329 34061645