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20295650 = 2522913997
BaseRepresentation
bin100110101101…
…0111111100010
31102012010101202
41031122333202
520143430100
62003001202
7334336664
oct115327742
942163352
1020295650
1110502471
126969202
134287b7b
1429a4534
151bad7d5
hex135afe2

20295650 has 24 divisors (see below), whose sum is σ = 39054420. Its totient is φ = 7837760.

The previous prime is 20295631. The next prime is 20295673. The reversal of 20295650 is 5659202.

It can be written as a sum of positive squares in 6 ways, for example, as 7414729 + 12880921 = 2723^2 + 3589^2 .

It is a super-3 number, since 3×202956503 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5549 + ... + 8448.

Almost surely, 220295650 is an apocalyptic number.

20295650 is a deficient number, since it is larger than the sum of its proper divisors (18758770).

20295650 is a wasteful number, since it uses less digits than its factorization.

20295650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038 (or 14033 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 20295650 is about 4505.0693668355. The cubic root of 20295650 is about 272.7727538628.

The spelling of 20295650 in words is "twenty million, two hundred ninety-five thousand, six hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 1450 13997 27994 69985 139970 349925 405913 699850 811826 2029565 4059130 10147825 20295650