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20025608 = 232503201
BaseRepresentation
bin100110001100…
…1000100001000
31101200101222012
41030121010020
520111304413
61553115052
7332133461
oct114310410
941611865
1020025608
1110338599
126858a88
1341c1c95
142933d68
151b587a8
hex1319108

20025608 has 8 divisors (see below), whose sum is σ = 37548030. Its totient is φ = 10012800.

The previous prime is 20025583. The next prime is 20025611. The reversal of 20025608 is 80652002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 4831204 = 3898^2 + 2198^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251593 + ... + 1251608.

Almost surely, 220025608 is an apocalyptic number.

It is an amenable number.

20025608 is a deficient number, since it is larger than the sum of its proper divisors (17522422).

20025608 is a wasteful number, since it uses less digits than its factorization.

20025608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503207 (or 2503203 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20025608 is about 4474.9981005583. The cubic root of 20025608 is about 271.5575635932.

It can be divided in two parts, 200 and 25608, that multiplied together give a triangular number (5121600 = T3200).

The spelling of 20025608 in words is "twenty million, twenty-five thousand, six hundred eight".

Divisors: 1 2 4 8 2503201 5006402 10012804 20025608