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34131065 = 541331503
BaseRepresentation
bin1000001000110…
…0110001111001
32101020001000112
42002030301321
532214143230
63215314105
7563052323
oct202146171
971201015
1034131065
11182a21a1
12b51b935
1370c03c7
144766613
152ee2d95
hex208cc79

34131065 has 16 divisors (see below), whose sum is σ = 42166656. Its totient is φ = 26505600.

The previous prime is 34131047. The next prime is 34131067. The reversal of 34131065 is 56013143.

It is a happy number.

It is not a de Polignac number, because 34131065 - 26 = 34131001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34131065.

It is not an unprimeable number, because it can be changed into a prime (34131067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67604 + ... + 68106.

It is an arithmetic number, because the mean of its divisors is an integer number (2635416).

Almost surely, 234131065 is an apocalyptic number.

It is an amenable number.

34131065 is a deficient number, since it is larger than the sum of its proper divisors (8035591).

34131065 is a wasteful number, since it uses less digits than its factorization.

34131065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

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

The square root of 34131065 is about 5842.1798157879. The cubic root of 34131065 is about 324.3769206144.

The spelling of 34131065 in words is "thirty-four million, one hundred thirty-one thousand, sixty-five".

Divisors: 1 5 41 205 331 503 1655 2515 13571 20623 67855 103115 166493 832465 6826213 34131065