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34681645 = 510367343
BaseRepresentation
bin1000010001001…
…1001100101101
32102021000021101
42010103030231
532334303040
63235203101
7600534445
oct204231455
972230241
1034681645
1118638919
12b746491
137253bab
14486b125
1530a109a
hex211332d

34681645 has 8 divisors (see below), whose sum is σ = 42022656. Its totient is φ = 27475536.

The previous prime is 34681601. The next prime is 34681667. The reversal of 34681645 is 54618643.

It is a happy number.

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 34681645 - 211 = 34679597 is a prime.

It is a super-3 number, since 3×346816453 (a number of 24 digits) contains 333 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33157 + ... + 34186.

It is an arithmetic number, because the mean of its divisors is an integer number (5252832).

Almost surely, 234681645 is an apocalyptic number.

It is an amenable number.

34681645 is a deficient number, since it is larger than the sum of its proper divisors (7341011).

34681645 is a wasteful number, since it uses less digits than its factorization.

34681645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67451.

The product of its digits is 69120, while the sum is 37.

The square root of 34681645 is about 5889.1124119005. The cubic root of 34681645 is about 326.1118369975. Note that the first 3 decimals are identical.

The spelling of 34681645 in words is "thirty-four million, six hundred eighty-one thousand, six hundred forty-five".

Divisors: 1 5 103 515 67343 336715 6936329 34681645