Search a number
-
+
83873490 = 23514331951
BaseRepresentation
bin1001111111111…
…00111011010010
312211211012210120
410333330323102
5132432422430
612153411110
72035625061
oct477747322
9184735716
1083873490
1143387438
1224109a96
13144b84ac
14b1d41d8
15756b610
hex4ffced2

83873490 has 32 divisors (see below), whose sum is σ = 201540096. Its totient is φ = 22339200.

The previous prime is 83873453. The next prime is 83873497. The reversal of 83873490 is 9437838.

It is not an unprimeable number, because it can be changed into a prime (83873497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42015 + ... + 43965.

It is an arithmetic number, because the mean of its divisors is an integer number (6298128).

Almost surely, 283873490 is an apocalyptic number.

83873490 is an abundant number, since it is smaller than the sum of its proper divisors (117666606).

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

83873490 is a wasteful number, since it uses less digits than its factorization.

83873490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 83873490 is about 9158.2471030214. The cubic root of 83873490 is about 437.7319412320.

The spelling of 83873490 in words is "eighty-three million, eight hundred seventy-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1433 1951 2866 3902 4299 5853 7165 8598 9755 11706 14330 19510 21495 29265 42990 58530 2795783 5591566 8387349 13978915 16774698 27957830 41936745 83873490