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20295074 = 254118757
BaseRepresentation
bin100110101101…
…0110110100010
31102012002121102
41031122312202
520143420244
62002554402
7334335212
oct115326642
942162542
1020295074
1110501a98
126968a02
134287827
1429a4242
151bad54e
hex135ada2

20295074 has 8 divisors (see below), whose sum is σ = 30500508. Its totient is φ = 10128240.

The previous prime is 20295073. The next prime is 20295083. The reversal of 20295074 is 47059202.

It can be written as a sum of positive squares in 2 ways, for example, as 20295025 + 49 = 4505^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20295073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8297 + ... + 10460.

Almost surely, 220295074 is an apocalyptic number.

20295074 is a deficient number, since it is larger than the sum of its proper divisors (10205434).

20295074 is a wasteful number, since it uses less digits than its factorization.

20295074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20295074 is about 4505.0054383985. The cubic root of 20295074 is about 272.7701733658.

The spelling of 20295074 in words is "twenty million, two hundred ninety-five thousand, seventy-four".

Divisors: 1 2 541 1082 18757 37514 10147537 20295074