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34890912 = 25357641
BaseRepresentation
bin1000010100011…
…0010010100000
32102122122100000
42011012102200
532413002122
63243500000
7602365530
oct205062240
972578300
1034890912
1118771071
12b827600
1372c8214
1448c34c0
1530e30ac
hex21464a0

34890912 has 144 divisors (see below), whose sum is σ = 117778752. Its totient is φ = 9953280.

The previous prime is 34890871. The next prime is 34890949. The reversal of 34890912 is 21909843.

It is a tau number, because it is divible by the number of its divisors (144).

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

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, 54112 + ... + 54752.

It is an arithmetic number, because the mean of its divisors is an integer number (817908).

Almost surely, 234890912 is an apocalyptic number.

34890912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34890912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58889376).

34890912 is an abundant number, since it is smaller than the sum of its proper divisors (82887840).

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

34890912 is an equidigital number, since it uses as much as digits as its factorization.

34890912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 34890912 is about 5906.8529692214. The cubic root of 34890912 is about 326.7664353505.

The spelling of 34890912 in words is "thirty-four million, eight hundred ninety thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 243 252 288 324 336 378 432 486 504 567 641 648 672 756 864 972 1008 1134 1282 1296 1512 1701 1923 1944 2016 2268 2564 2592 3024 3402 3846 3888 4487 4536 5128 5769 6048 6804 7692 7776 8974 9072 10256 11538 13461 13608 15384 17307 17948 18144 20512 23076 26922 27216 30768 34614 35896 40383 46152 51921 53844 54432 61536 69228 71792 80766 92304 103842 107688 121149 138456 143584 155763 161532 184608 207684 215376 242298 276912 311526 323064 363447 415368 430752 484596 553824 623052 646128 726894 830736 969192 1090341 1246104 1292256 1453788 1661472 1938384 2180682 2492208 2907576 3876768 4361364 4984416 5815152 8722728 11630304 17445456 34890912