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65250525 = 352870007
BaseRepresentation
bin1111100011101…
…0010011011101
311112210001220010
43320322103131
5113201004100
610250313433
71421422524
oct370722335
9145701803
1065250525
113391775a
1219a28879
1310697aa2
1489474bb
155add750
hex3e3a4dd

65250525 has 12 divisors (see below), whose sum is σ = 107880992. Its totient is φ = 34800240.

The previous prime is 65250511. The next prime is 65250529. The reversal of 65250525 is 52505256.

It is not a de Polignac number, because 65250525 - 210 = 65249501 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65250492 and 65250501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65250529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434929 + ... + 435078.

Almost surely, 265250525 is an apocalyptic number.

It is an amenable number.

65250525 is a deficient number, since it is larger than the sum of its proper divisors (42630467).

65250525 is a wasteful number, since it uses less digits than its factorization.

65250525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870020 (or 870015 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 65250525 is about 8077.7797073206. The cubic root of 65250525 is about 402.5884737934.

The spelling of 65250525 in words is "sixty-five million, two hundred fifty thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 870007 2610021 4350035 13050105 21750175 65250525