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20268350 = 252419887
BaseRepresentation
bin100110101010…
…0010100111110
31102010201221122
41031110110332
520142041400
62002230542
7334164254
oct115242476
942121848
1020268350
1110493a03
126955452
13427860b
1429985d4
151ba5685
hex135453e

20268350 has 24 divisors (see below), whose sum is σ = 38622528. Its totient is φ = 7908800.

The previous prime is 20268331. The next prime is 20268373. The reversal of 20268350 is 5386202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2894 + ... + 6993.

It is an arithmetic number, because the mean of its divisors is an integer number (1609272).

Almost surely, 220268350 is an apocalyptic number.

20268350 is a deficient number, since it is larger than the sum of its proper divisors (18354178).

20268350 is a wasteful number, since it uses less digits than its factorization.

20268350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940 (or 9935 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20268350 is about 4502.0384272016. The cubic root of 20268350 is about 272.6503953349.

The spelling of 20268350 in words is "twenty million, two hundred sixty-eight thousand, three hundred fifty".

Divisors: 1 2 5 10 25 41 50 82 205 410 1025 2050 9887 19774 49435 98870 247175 405367 494350 810734 2026835 4053670 10134175 20268350