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34030140 = 22351929851
BaseRepresentation
bin1000000111010…
…0001000111100
32101000220120120
42001310020330
532202431030
63213214540
7562152144
oct201641074
971026516
1034030140
1118233391
12b491450
1370864a1
14473b924
152ec3010
hex207423c

34030140 has 48 divisors (see below), whose sum is σ = 100302720. Its totient is φ = 8596800.

The previous prime is 34030097. The next prime is 34030153. The reversal of 34030140 is 4103043.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13786 + ... + 16065.

It is an arithmetic number, because the mean of its divisors is an integer number (2089640).

Almost surely, 234030140 is an apocalyptic number.

34030140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34030140 is an abundant number, since it is smaller than the sum of its proper divisors (66272580).

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

34030140 is a wasteful number, since it uses less digits than its factorization.

34030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29882 (or 29880 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34030140 is about 5833.5358060099. The cubic root of 34030140 is about 324.0568792078.

Adding to 34030140 its reverse (4103043), we get a palindrome (38133183).

The spelling of 34030140 in words is "thirty-four million, thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 29851 59702 89553 119404 149255 179106 298510 358212 447765 567169 597020 895530 1134338 1701507 1791060 2268676 2835845 3403014 5671690 6806028 8507535 11343380 17015070 34030140