Search a number
-
+
82343903 = 172284927
BaseRepresentation
bin1001110100001…
…11011111011111
312201221111121012
410322013133133
5132040001103
612100525435
72016624455
oct472073737
9181844535
1082343903
1142532214
12236b087b
13140a1205
14ad169d5
1573682d8
hex4e877df

82343903 has 6 divisors (see below), whose sum is σ = 87472896. Its totient is φ = 77499872.

The previous prime is 82343873. The next prime is 82343939. The reversal of 82343903 is 30934328.

It is a happy number.

It is not a de Polignac number, because 82343903 - 28 = 82343647 is a prime.

It is a super-2 number, since 2×823439032 = 13561036722546818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82343903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82343983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142175 + ... + 142752.

It is an arithmetic number, because the mean of its divisors is an integer number (14578816).

Almost surely, 282343903 is an apocalyptic number.

82343903 is a deficient number, since it is larger than the sum of its proper divisors (5128993).

82343903 is a wasteful number, since it uses less digits than its factorization.

82343903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284961 (or 284944 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 82343903 is about 9074.3541367967. The cubic root of 82343903 is about 435.0546511686.

The spelling of 82343903 in words is "eighty-two million, three hundred forty-three thousand, nine hundred three".

Divisors: 1 17 289 284927 4843759 82343903