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685026352 = 2442814147
BaseRepresentation
bin101000110101001…
…010110000110000
31202201222221111101
4220311022300300
52400331320402
6151550254144
722655425243
oct5065126060
91681887441
10685026352
1132175248a
121714b7354
13abbc8a4a
1466d9b25a
1540215b87
hex28d4ac30

685026352 has 10 divisors (see below), whose sum is σ = 1327238588. Its totient is φ = 342513168.

The previous prime is 685026343. The next prime is 685026367. The reversal of 685026352 is 253620586.

It is a happy number.

It is a super-2 number, since 2×6850263522 = 938522205868855808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21407058 + ... + 21407089.

Almost surely, 2685026352 is an apocalyptic number.

It is an amenable number.

685026352 is a deficient number, since it is larger than the sum of its proper divisors (642212236).

685026352 is a wasteful number, since it uses less digits than its factorization.

685026352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42814155 (or 42814149 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 685026352 is about 26173.0080808454. The cubic root of 685026352 is about 881.5272857991.

The spelling of 685026352 in words is "six hundred eighty-five million, twenty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 42814147 85628294 171256588 342513176 685026352