Search a number
-
+
83288238 = 23111261943
BaseRepresentation
bin1001111011011…
…10000010101110
312210201110222120
410331232002232
5132310210423
612133053410
72030636565
oct475560256
9183643876
1083288238
1143017760
1223a87266
1314341ca7
14b0c0bdc
1574a2ee3
hex4f6e0ae

83288238 has 16 divisors (see below), whose sum is σ = 181719936. Its totient is φ = 25238840.

The previous prime is 83288237. The next prime is 83288239.

83288238 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (83288237) and next prime (83288239).

It is a self number, because there is not a number n which added to its sum of digits gives 83288238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83288237) 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, 630906 + ... + 631037.

It is an arithmetic number, because the mean of its divisors is an integer number (11357496).

Almost surely, 283288238 is an apocalyptic number.

83288238 is an abundant number, since it is smaller than the sum of its proper divisors (98431698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83288238 is a wasteful number, since it uses less digits than its factorization.

83288238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261959.

The product of its digits is 147456, while the sum is 42.

The square root of 83288238 is about 9126.2389843791. The cubic root of 83288238 is about 436.7114293473.

The spelling of 83288238 in words is "eighty-three million, two hundred eighty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 1261943 2523886 3785829 7571658 13881373 27762746 41644119 83288238