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34545620 = 22516710343
BaseRepresentation
bin1000001111000…
…1111111010100
32102000002200102
42003301333110
532320424440
63232233232
7566430044
oct203617724
972002612
1034545620
11185556aa
12b69b818
137206cc5
144833724
153075b15
hex20f1fd4

34545620 has 24 divisors (see below), whose sum is σ = 72987264. Its totient is φ = 13734176.

The previous prime is 34545607. The next prime is 34545631. The reversal of 34545620 is 2654543.

It is a super-2 number, since 2×345456202 = 2386799722368800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 8511.

It is an arithmetic number, because the mean of its divisors is an integer number (3041136).

Almost surely, 234545620 is an apocalyptic number.

It is an amenable number.

34545620 is an abundant number, since it is smaller than the sum of its proper divisors (38441644).

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

34545620 is a wasteful number, since it uses less digits than its factorization.

34545620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10519 (or 10517 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 34545620 is about 5877.5522115928. The cubic root of 34545620 is about 325.6849302641.

The spelling of 34545620 in words is "thirty-four million, five hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 10343 20686 41372 51715 103430 206860 1727281 3454562 6909124 8636405 17272810 34545620