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10389950 = 252207799
BaseRepresentation
bin100111101000…
…100110111110
3201112212022222
4213220212332
510124434300
61010405342
7154212254
oct47504676
921485288
1010389950
11595713a
123590852
1321ca1cc
1415465d4
15da3785
hex9e89be

10389950 has 12 divisors (see below), whose sum is σ = 19325400. Its totient is φ = 4155960.

The previous prime is 10389937. The next prime is 10389983. The reversal of 10389950 is 5998301.

It is a super-2 number, since 2×103899502 = 215902122005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10389950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103850 + ... + 103949.

It is an arithmetic number, because the mean of its divisors is an integer number (1610450).

Almost surely, 210389950 is an apocalyptic number.

10389950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10389950 is a deficient number, since it is larger than the sum of its proper divisors (8935450).

10389950 is a wasteful number, since it uses less digits than its factorization.

10389950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207811 (or 207806 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 10389950 is about 3223.3445363473. The cubic root of 10389950 is about 218.2082430642.

The spelling of 10389950 in words is "ten million, three hundred eighty-nine thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 207799 415598 1038995 2077990 5194975 10389950