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65125429 = 1091813301
BaseRepresentation
bin1111100001101…
…1110000110101
311112112201021221
43320123300311
5113133003204
610243510341
71420362025
oct370336065
9145481257
1065125429
1133841776
12199883b1
1310652b75
148913a85
155ab6654
hex3e1bc35

65125429 has 8 divisors (see below), whose sum is σ = 66106040. Its totient is φ = 64152000.

The previous prime is 65125381. The next prime is 65125433. The reversal of 65125429 is 92452156.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 529 + 65124900 = 23^2 + 8070^2 .

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 65125429 - 211 = 65123381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65125394 and 65125403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65125469) 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, 18079 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (8263255).

Almost surely, 265125429 is an apocalyptic number.

It is an amenable number.

65125429 is a deficient number, since it is larger than the sum of its proper divisors (980611).

65125429 is a wasteful number, since it uses less digits than its factorization.

65125429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591.

The product of its digits is 21600, while the sum is 34.

The square root of 65125429 is about 8070.0327756460. The cubic root of 65125429 is about 402.3310330742.

The spelling of 65125429 in words is "sixty-five million, one hundred twenty-five thousand, four hundred twenty-nine".

Divisors: 1 109 181 3301 19729 359809 597481 65125429