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84350331 = 3213720943
BaseRepresentation
bin1010000011100…
…01010101111011
312212201102220100
411001301111323
5133043202311
612211530443
72042652222
oct501612573
9185642810
1084350331
114368271a
12242b9a23
1314624550
14b2b9cb9
157612a56
hex507157b

84350331 has 12 divisors (see below), whose sum is σ = 131211808. Its totient is φ = 51907824.

The previous prime is 84350323. The next prime is 84350333. The reversal of 84350331 is 13305348.

It is a happy number.

It is not a de Polignac number, because 84350331 - 23 = 84350323 is a prime.

It is a super-2 number, since 2×843503312 = 14229956679619122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84350295 and 84350304.

It is not an unprimeable number, because it can be changed into a prime (84350333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360355 + ... + 360588.

Almost surely, 284350331 is an apocalyptic number.

84350331 is a deficient number, since it is larger than the sum of its proper divisors (46861477).

84350331 is a wasteful number, since it uses less digits than its factorization.

84350331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720962 (or 720959 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 84350331 is about 9184.2436269951. The cubic root of 84350331 is about 438.5599113248.

Adding to 84350331 its reverse (13305348), we get a palindrome (97655679).

It can be divided in two parts, 84350 and 331, that added together give a square (84681 = 2912).

The spelling of 84350331 in words is "eighty-four million, three hundred fifty thousand, three hundred thirty-one".

Divisors: 1 3 9 13 39 117 720943 2162829 6488487 9372259 28116777 84350331