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785625085 = 5723206633
BaseRepresentation
bin101110110100111…
…010111111111101
32000202021220000101
4232310322333331
53102110000320
6205542401101
725316463100
oct5664727775
92022256011
10785625085
11373512833
1219b130191
13c69bbc1b
14764a6737
1548e87c0a
hex2ed3affd

785625085 has 12 divisors (see below), whose sum is σ = 1096668828. Its totient is φ = 538714176.

The previous prime is 785625083. The next prime is 785625103. The reversal of 785625085 is 580526587.

It can be written as a sum of positive squares in 2 ways, for example, as 307721764 + 477903321 = 17542^2 + 21861^2 .

It is not a de Polignac number, because 785625085 - 21 = 785625083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785625083) 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, 1603072 + ... + 1603561.

It is an arithmetic number, because the mean of its divisors is an integer number (91389069).

Almost surely, 2785625085 is an apocalyptic number.

It is an amenable number.

785625085 is a deficient number, since it is larger than the sum of its proper divisors (311043743).

785625085 is a wasteful number, since it uses less digits than its factorization.

785625085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206652 (or 3206645 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The square root of 785625085 is about 28029.0043526344. The cubic root of 785625085 is about 922.7239233835.

The spelling of 785625085 in words is "seven hundred eighty-five million, six hundred twenty-five thousand, eighty-five".

Divisors: 1 5 7 35 49 245 3206633 16033165 22446431 112232155 157125017 785625085