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34309645 = 523928711
BaseRepresentation
bin1000001011100…
…0011000001101
32101120002222121
42002320120031
532240402040
63223212541
7564425056
oct202703015
971502877
1034309645
1118404387
12b5a7151
137153786
1447b172d
15302ac4a
hex20b860d

34309645 has 8 divisors (see below), whose sum is σ = 41345280. Its totient is φ = 27331920.

The previous prime is 34309631. The next prime is 34309651. The reversal of 34309645 is 54690343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34309645 - 223 = 25921037 is a prime.

It is a super-3 number, since 3×343096453 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34309645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13161 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (5168160).

Almost surely, 234309645 is an apocalyptic number.

It is an amenable number.

34309645 is a deficient number, since it is larger than the sum of its proper divisors (7035635).

34309645 is a wasteful number, since it uses less digits than its factorization.

34309645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28955.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 34309645 is about 5857.4435549991. The cubic root of 34309645 is about 324.9416700051.

Adding to 34309645 its reverse (54690343), we get a palindrome (88999988).

The spelling of 34309645 in words is "thirty-four million, three hundred nine thousand, six hundred forty-five".

Divisors: 1 5 239 1195 28711 143555 6861929 34309645