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83424132 = 223211293719
BaseRepresentation
bin1001111100011…
…11001110000100
312210222101101200
410332033032010
5132324033012
612140022500
72032044021
oct476171604
9183871350
1083424132
11430aa870
1223b31a30
131438babc
14b118548
1574cd3dc
hex4f8f384

83424132 has 72 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 25158720.

The previous prime is 83424127. The next prime is 83424169. The reversal of 83424132 is 23142438.

It is a junction number, because it is equal to n+sod(n) for n = 83424096 and 83424105.

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, 115669 + ... + 116387.

It is an arithmetic number, because the mean of its divisors is an integer number (3210480).

Almost surely, 283424132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83424132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

83424132 is an abundant number, since it is smaller than the sum of its proper divisors (147730428).

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

83424132 is a wasteful number, since it uses less digits than its factorization.

83424132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 83424132 is about 9133.6811855900. The cubic root of 83424132 is about 436.9488146687.

The spelling of 83424132 in words is "eighty-three million, four hundred twenty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 293 396 586 719 879 1172 1438 1758 2157 2637 2876 3223 3516 4314 5274 6446 6471 7909 8628 9669 10548 12892 12942 15818 19338 23727 25884 29007 31636 38676 47454 58014 71181 94908 116028 142362 210667 284724 421334 632001 842668 1264002 1896003 2317337 2528004 3792006 4634674 6952011 7584012 9269348 13904022 20856033 27808044 41712066 83424132