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7985896 = 23998237
BaseRepresentation
bin11110011101101011101000
3120000201120221
4132131223220
54021022041
6443055424
7124610332
oct36355350
916021527
107985896
114564a16
122811574
131867ba9
1410bc452
15a7b2d1
hex79dae8

7985896 has 8 divisors (see below), whose sum is σ = 14973570. Its totient is φ = 3992944.

The previous prime is 7985893. The next prime is 7985897. The reversal of 7985896 is 6985897.

It can be written as a sum of positive squares in only one way, i.e., 4796100 + 3189796 = 2190^2 + 1786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7985893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499111 + ... + 499126.

Almost surely, 27985896 is an apocalyptic number.

It is an amenable number.

7985896 is a deficient number, since it is larger than the sum of its proper divisors (6987674).

7985896 is a wasteful number, since it uses less digits than its factorization.

7985896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998243 (or 998239 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 7985896 is about 2825.9327663623. The cubic root of 7985896 is about 199.8823975285.

Subtracting from 7985896 its reverse (6985897), we obtain a palindrome (999999).

The spelling of 7985896 in words is "seven million, nine hundred eighty-five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 998237 1996474 3992948 7985896