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10033389 = 34971277
BaseRepresentation
bin100110010001…
…100011101101
3200212202020000
4212101203231
510032032024
6555014513
7151165602
oct46214355
920782200
1010033389
115733263
12343a439
132103b22
1414926a9
15d32cc9
hex9918ed

10033389 has 20 divisors (see below), whose sum is σ = 15154524. Its totient is φ = 6614784.

The previous prime is 10033379. The next prime is 10033409. The reversal of 10033389 is 98333001.

10033389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 4473225 = 2358^2 + 2115^2 .

It is not a de Polignac number, because 10033389 - 25 = 10033357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033369) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7219 + ... + 8495.

Almost surely, 210033389 is an apocalyptic number.

It is an amenable number.

10033389 is a deficient number, since it is larger than the sum of its proper divisors (5121135).

10033389 is an equidigital number, since it uses as much as digits as its factorization.

10033389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 10033389 is about 3167.5525252156. The cubic root of 10033389 is about 215.6829840280.

It can be divided in two parts, 100 and 33389, that added together give a square (33489 = 1832).

The spelling of 10033389 in words is "ten million, thirty-three thousand, three hundred eighty-nine".

Divisors: 1 3 9 27 81 97 291 873 1277 2619 3831 7857 11493 34479 103437 123869 371607 1114821 3344463 10033389