Search a number
-
+
83848140 = 223251924517
BaseRepresentation
bin1001111111101…
…10101111001100
312211202221000200
410333312233030
5132431120030
612153053500
72035461135
oct477665714
9184687020
1083848140
114336a392
12240b7290
13144a9aac
14b1c8c8c
157563d60
hex4ff6bcc

83848140 has 72 divisors (see below), whose sum is σ = 267736560. Its totient is φ = 21181824.

The previous prime is 83848139. The next prime is 83848169. The reversal of 83848140 is 4184838.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83848095 and 83848104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8839 + ... + 15678.

Almost surely, 283848140 is an apocalyptic number.

It is an amenable number.

83848140 is an abundant number, since it is smaller than the sum of its proper divisors (183888420).

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

83848140 is a wasteful number, since it uses less digits than its factorization.

83848140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24551 (or 24546 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 83848140 is about 9156.8629999580. The cubic root of 83848140 is about 437.6878366214.

The spelling of 83848140 in words is "eighty-three million, eight hundred forty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 24517 49034 73551 98068 122585 147102 220653 245170 294204 367755 441306 465823 490340 735510 882612 931646 1103265 1397469 1471020 1863292 2206530 2329115 2794938 4192407 4413060 4658230 5589876 6987345 8384814 9316460 13974690 16769628 20962035 27949380 41924070 83848140