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83013132 = 2236917761
BaseRepresentation
bin1001111001010…
…10111000001100
312210012111121110
410330222320030
5132222410012
612123132020
72025412536
oct474527014
9183174543
1083013132
1142949aa4
1223974010
13142769c7
14b04c856
15744b73c
hex4f2ae0c

83013132 has 12 divisors (see below), whose sum is σ = 193697336. Its totient is φ = 27671040.

The previous prime is 83013127. The next prime is 83013179. The reversal of 83013132 is 23131038.

It is a happy number.

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 = 83013099 and 83013108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458869 + ... + 3458892.

Almost surely, 283013132 is an apocalyptic number.

It is an amenable number.

83013132 is an abundant number, since it is smaller than the sum of its proper divisors (110684204).

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

83013132 is a wasteful number, since it uses less digits than its factorization.

83013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917768 (or 6917766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 83013132 is about 9111.1542627704. The cubic root of 83013132 is about 436.2300710376.

The spelling of 83013132 in words is "eighty-three million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 6917761 13835522 20753283 27671044 41506566 83013132