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34132780 = 225111131373
BaseRepresentation
bin1000001000110…
…1001100101100
32101020010101001
42002031030230
532214222110
63215330044
7563060323
oct202151454
971203331
1034132780
11182a3510
12b520924
1370c1116
1447670ba
152ee363a
hex208d32c

34132780 has 48 divisors (see below), whose sum is σ = 78944544. Its totient is φ = 12293120.

The previous prime is 34132751. The next prime is 34132783. The reversal of 34132780 is 8723143.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (34132783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24174 + ... + 25546.

It is an arithmetic number, because the mean of its divisors is an integer number (1644678).

Almost surely, 234132780 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 34132780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39472272).

34132780 is an abundant number, since it is smaller than the sum of its proper divisors (44811764).

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

34132780 is a wasteful number, since it uses less digits than its factorization.

34132780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 34132780 is about 5842.3265913504. The cubic root of 34132780 is about 324.3823535643.

The spelling of 34132780 in words is "thirty-four million, one hundred thirty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 113 220 226 452 565 1130 1243 1373 2260 2486 2746 4972 5492 6215 6865 12430 13730 15103 24860 27460 30206 60412 75515 151030 155149 302060 310298 620596 775745 1551490 1706639 3102980 3413278 6826556 8533195 17066390 34132780