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4340840831 = 75111235147
BaseRepresentation
bin1000000101011101…
…11111100101111111
3102012112001120011122
410002232333211333
532342223401311
61554423141155
7212366352425
oct40256774577
912175046148
104340840831
111928322a68
12a118a47bb
1354241b992
142d2719115
151a61500db
hex102bbf97f

4340840831 has 8 divisors (see below), whose sum is σ = 4351336704. Its totient is φ = 4330359000.

The previous prime is 4340840747. The next prime is 4340840849. The reversal of 4340840831 is 1380480434.

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

It is a cyclic number.

It is not a de Polignac number, because 4340840831 - 230 = 3267099007 is a prime.

It is a super-2 number, since 2×43408408312 = 37685798240153541122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4340840791 and 4340840800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340840891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840800 + ... + 845946.

It is an arithmetic number, because the mean of its divisors is an integer number (543917088).

Almost surely, 24340840831 is an apocalyptic number.

4340840831 is a deficient number, since it is larger than the sum of its proper divisors (10495873).

4340840831 is a wasteful number, since it uses less digits than its factorization.

4340840831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 4340840831 is about 65885.0577217627. The cubic root of 4340840831 is about 1631.2653843599.

The spelling of 4340840831 in words is "four billion, three hundred forty million, eight hundred forty thousand, eight hundred thirty-one".

Divisors: 1 751 1123 5147 843373 3865397 5780081 4340840831