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65031429 = 361355363
BaseRepresentation
bin1111100000010…
…0110100000101
311112100221100110
43320010310011
5113122001204
610241503233
71416521001
oct370046405
9145327313
1065031429
1133788091
1219941b19
131061c148
1488cb701
155a98889
hex3e04d05

65031429 has 8 divisors (see below), whose sum is σ = 88130272. Its totient is φ = 42643440.

The previous prime is 65031403. The next prime is 65031467. The reversal of 65031429 is 92413056.

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

It is not a de Polignac number, because 65031429 - 219 = 64507141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65031396 and 65031405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65031469) 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 7 ways as a sum of consecutive naturals, for example, 177499 + ... + 177864.

It is an arithmetic number, because the mean of its divisors is an integer number (11016284).

Almost surely, 265031429 is an apocalyptic number.

It is an amenable number.

65031429 is a deficient number, since it is larger than the sum of its proper divisors (23098843).

65031429 is a wasteful number, since it uses less digits than its factorization.

65031429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355427.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 65031429 is about 8064.2066565782. The cubic root of 65031429 is about 402.1373692067.

The spelling of 65031429 in words is "sixty-five million, thirty-one thousand, four hundred twenty-nine".

Divisors: 1 3 61 183 355363 1066089 21677143 65031429