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20248874 = 2671371103
BaseRepresentation
bin100110100111…
…1100100101010
31102002202020022
41031033210222
520140430444
62002000442
7334053422
oct115174452
942082208
1020248874
1110480308
126946122
13426c7a9
142991482
151b9e9ee
hex134f92a

20248874 has 16 divisors (see below), whose sum is σ = 31079808. Its totient is φ = 9891552.

The previous prime is 20248871. The next prime is 20248897. The reversal of 20248874 is 47884202.

It is not an unprimeable number, because it can be changed into a prime (20248871) 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 7 ways as a sum of consecutive naturals, for example, 17807 + ... + 18909.

It is an arithmetic number, because the mean of its divisors is an integer number (1942488).

Almost surely, 220248874 is an apocalyptic number.

20248874 is a deficient number, since it is larger than the sum of its proper divisors (10830934).

20248874 is a wasteful number, since it uses less digits than its factorization.

20248874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 20248874 is about 4499.8748871496. The cubic root of 20248874 is about 272.5630367873.

The spelling of 20248874 in words is "twenty million, two hundred forty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 67 134 137 274 1103 2206 9179 18358 73901 147802 151111 302222 10124437 20248874