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20896074 = 2321160893
BaseRepresentation
bin100111110110…
…1100101001010
31110022122000200
41033231211022
520322133244
62023513030
7342420333
oct117554512
943278020
1020896074
1110882591
126bb8776
134438254
142abd28a
151c7b669
hex13ed94a

20896074 has 12 divisors (see below), whose sum is σ = 45274866. Its totient is φ = 6965352.

The previous prime is 20896069. The next prime is 20896079. The reversal of 20896074 is 47069802.

It is an interprime number because it is at equal distance from previous prime (20896069) and next prime (20896079).

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 1580049 = 4395^2 + 1257^2 .

It is a super-2 number, since 2×208960742 = 873291817226952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20896079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 580429 + ... + 580464.

Almost surely, 220896074 is an apocalyptic number.

20896074 is an abundant number, since it is smaller than the sum of its proper divisors (24378792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20896074 is a wasteful number, since it uses less digits than its factorization.

20896074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160901 (or 1160898 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20896074 is about 4571.2223748140. Note that the first 3 decimals coincide. The cubic root of 20896074 is about 275.4365474096.

The spelling of 20896074 in words is "twenty million, eight hundred ninety-six thousand, seventy-four".

Divisors: 1 2 3 6 9 18 1160893 2321786 3482679 6965358 10448037 20896074