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9054342839 = 32381279619
BaseRepresentation
bin10000110111010111…
…00100111010110111
3212101000100021101002
420123223210322313
5122020402432324
64054241553515
7440242433663
oct103353447267
925330307332
109054342839
113926a38873
12190834589b
13b13ac9319
1461c71d8a3
1537ed633ae
hex21bae4eb7

9054342839 has 4 divisors (see below), whose sum is σ = 9054654840. Its totient is φ = 9054030840.

The previous prime is 9054342833. The next prime is 9054342841. The reversal of 9054342839 is 9382434509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9382434509 = 71340347787.

It is a cyclic number.

It is not a de Polignac number, because 9054342839 - 216 = 9054277303 is a prime.

It is a super-2 number, since 2×90543428392 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9054342793 and 9054342802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9054342833) 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, 107429 + ... + 172190.

It is an arithmetic number, because the mean of its divisors is an integer number (2263663710).

Almost surely, 29054342839 is an apocalyptic number.

9054342839 is a deficient number, since it is larger than the sum of its proper divisors (312001).

9054342839 is a wasteful number, since it uses less digits than its factorization.

9054342839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312000.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 9054342839 is about 95154.3106695645. The cubic root of 9054342839 is about 2084.2620048958.

The spelling of 9054342839 in words is "nine billion, fifty-four million, three hundred forty-two thousand, eight hundred thirty-nine".

Divisors: 1 32381 279619 9054342839