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10102808 = 231262851
BaseRepresentation
bin100110100010…
…100000011000
3201000021110002
4212202200120
510041242213
61000312132
7151605152
oct46424030
921007402
1010102808
115780431
123472648
1321295c1
1414adad2
15d48658
hex9a2818

10102808 has 8 divisors (see below), whose sum is σ = 18942780. Its totient is φ = 5051400.

The previous prime is 10102789. The next prime is 10102837. The reversal of 10102808 is 80820101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10102808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631418 + ... + 631433.

Almost surely, 210102808 is an apocalyptic number.

It is an amenable number.

10102808 is a deficient number, since it is larger than the sum of its proper divisors (8839972).

10102808 is a wasteful number, since it uses less digits than its factorization.

10102808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262857 (or 1262853 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 10102808 is about 3178.4914660889. The cubic root of 10102808 is about 216.1792636208.

Adding to 10102808 its reverse (80820101), we get a palindrome (90922909).

The spelling of 10102808 in words is "ten million, one hundred two thousand, eight hundred eight".

Divisors: 1 2 4 8 1262851 2525702 5051404 10102808