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20883074 = 229360053
BaseRepresentation
bin100111110101…
…0011010000010
31110021222012012
41033222122002
520321224244
62023332522
7342334412
oct117523202
943258165
1020883074
1110873843
126bb1142
134432364
142ab8642
151c7789e
hex13ea682

20883074 has 8 divisors (see below), whose sum is σ = 32404860. Its totient is φ = 10081456.

The previous prime is 20883073. The next prime is 20883143. The reversal of 20883074 is 47038802.

It can be written as a sum of positive squares in 2 ways, for example, as 20313049 + 570025 = 4507^2 + 755^2 .

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

It is a super-2 number, since 2×208830742 = 872205559378952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20883074.

It is not an unprimeable number, because it can be changed into a prime (20883073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179969 + ... + 180084.

Almost surely, 220883074 is an apocalyptic number.

20883074 is a deficient number, since it is larger than the sum of its proper divisors (11521786).

20883074 is a wasteful number, since it uses less digits than its factorization.

20883074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360084.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 20883074 is about 4569.8002144514. The cubic root of 20883074 is about 275.3794167748.

The spelling of 20883074 in words is "twenty million, eight hundred eighty-three thousand, seventy-four".

Divisors: 1 2 29 58 360053 720106 10441537 20883074