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420896433 = 31573172819
BaseRepresentation
bin11001000101100…
…101111010110001
31002022222202100210
4121011211322301
51330222141213
6105433134333
713300363206
oct3105457261
91068882323
10420896433
111a66487a1
12b8b5a3a9
1369279a59
143dc83cad
1526e400c3
hex19165eb1

420896433 has 16 divisors (see below), whose sum is σ = 566752320. Its totient is φ = 277832256.

The previous prime is 420896431. The next prime is 420896453. The reversal of 420896433 is 334698024.

It is not a de Polignac number, because 420896433 - 21 = 420896431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420896391 and 420896400.

It is not an unprimeable number, because it can be changed into a prime (420896431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147898 + ... + 150716.

It is an arithmetic number, because the mean of its divisors is an integer number (35422020).

Almost surely, 2420896433 is an apocalyptic number.

It is an amenable number.

420896433 is a deficient number, since it is larger than the sum of its proper divisors (145855887).

420896433 is a wasteful number, since it uses less digits than its factorization.

420896433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 420896433 is about 20515.7606000850. The cubic root of 420896433 is about 749.4196595001.

The spelling of 420896433 in words is "four hundred twenty million, eight hundred ninety-six thousand, four hundred thirty-three".

Divisors: 1 3 157 317 471 951 2819 8457 49769 149307 442583 893623 1327749 2680869 140298811 420896433