Search a number
-
+
83211132 = 2236934261
BaseRepresentation
bin1001111010110…
…11001101111100
312210120120012210
410331123031330
5132300224012
612131300420
72030166024
oct475331574
9183516183
1083211132
1142a74834
1223a4a710
1314315b74
14b0a0a84
15748a23c
hex4f5b37c

83211132 has 12 divisors (see below), whose sum is σ = 194159336. Its totient is φ = 27737040.

The previous prime is 83211101. The next prime is 83211143. The reversal of 83211132 is 23111238.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 83211099 and 83211108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467119 + ... + 3467142.

Almost surely, 283211132 is an apocalyptic number.

It is an amenable number.

83211132 is an abundant number, since it is smaller than the sum of its proper divisors (110948204).

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

83211132 is a wasteful number, since it uses less digits than its factorization.

83211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934268 (or 6934266 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 83211132 is about 9122.0135935001. The cubic root of 83211132 is about 436.5766225253.

It can be divided in two parts, 8321 and 1132, that added together give a triangular number (9453 = T137).

The spelling of 83211132 in words is "eighty-three million, two hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 6934261 13868522 20802783 27737044 41605566 83211132