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34545140 = 2257443557
BaseRepresentation
bin1000001111000…
…1110111110100
32102000002000122
42003301313310
532320421030
63232231112
7566425460
oct203616764
972002018
1034545140
1118555303
12b69b498
137206a16
1448334a0
1530758e5
hex20f1df4

34545140 has 48 divisors (see below), whose sum is σ = 83244672. Its totient is φ = 11796096.

The previous prime is 34545127. The next prime is 34545151. The reversal of 34545140 is 4154543.

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, 61742 + ... + 62298.

It is an arithmetic number, because the mean of its divisors is an integer number (1734264).

Almost surely, 234545140 is an apocalyptic number.

It is an amenable number.

34545140 is an abundant number, since it is smaller than the sum of its proper divisors (48699532).

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

34545140 is a wasteful number, since it uses less digits than its factorization.

34545140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 34545140 is about 5877.5113781259. The cubic root of 34545140 is about 325.6834218289.

Adding to 34545140 its reverse (4154543), we get a palindrome (38699683).

The spelling of 34545140 in words is "thirty-four million, five hundred forty-five thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 443 557 886 1114 1772 2215 2228 2785 3101 3899 4430 5570 6202 7798 8860 11140 12404 15505 15596 19495 31010 38990 62020 77980 246751 493502 987004 1233755 1727257 2467510 3454514 4935020 6909028 8636285 17272570 34545140