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4022002431 = 34291712219
BaseRepresentation
bin1110111110111010…
…1110001011111111
3101101022002220010000
43233232232023333
531214113034211
61503033245343
7201445312416
oct35756561377
911338086100
104022002431
111784351a57
12942b63853
134c13563c5
142a224047d
1518816e656
hexefbae2ff

4022002431 has 20 divisors (see below), whose sum is σ = 6215358600. Its totient is φ = 2588873616.

The previous prime is 4022002427. The next prime is 4022002451. The reversal of 4022002431 is 1342002204.

4022002431 is a `hidden beast` number, since 402 + 20 + 0 + 243 + 1 = 666.

It is not a de Polignac number, because 4022002431 - 22 = 4022002427 is a prime.

It is a super-2 number, since 2×40220024312 = 32353007109939819522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022002421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 853761 + ... + 858458.

It is an arithmetic number, because the mean of its divisors is an integer number (310767930).

Almost surely, 24022002431 is an apocalyptic number.

4022002431 is a deficient number, since it is larger than the sum of its proper divisors (2193356169).

4022002431 is a wasteful number, since it uses less digits than its factorization.

4022002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712260 (or 1712251 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4022002431 is about 63419.2591489368. The cubic root of 4022002431 is about 1590.3062884492.

Adding to 4022002431 its reverse (1342002204), we get a palindrome (5364004635).

The spelling of 4022002431 in words is "four billion, twenty-two million, two thousand, four hundred thirty-one".

Divisors: 1 3 9 27 29 81 87 261 783 2349 1712219 5136657 15409971 46229913 49654351 138689739 148963053 446889159 1340667477 4022002431