Search a number
-
+
34289280 = 273255953
BaseRepresentation
bin1000001011001…
…1011010000000
32101112002001100
42002303122000
532234224110
63222534400
7564311514
oct202633200
971462040
1034289280
11183a0053
12b597400
13714741c
1447a8144
153024bc0
hex20b3680

34289280 has 96 divisors (see below), whose sum is σ = 118425060. Its totient is φ = 9142272.

The previous prime is 34289279. The next prime is 34289291. The reversal of 34289280 is 8298243.

It can be written as a sum of positive squares in 2 ways, for example, as 28643904 + 5645376 = 5352^2 + 2376^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 2784 + ... + 8736.

Almost surely, 234289280 is an apocalyptic number.

34289280 is a gapful number since it is divisible by the number (30) 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 34289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59212530).

34289280 is an abundant number, since it is smaller than the sum of its proper divisors (84135780).

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

34289280 is a wasteful number, since it uses less digits than its factorization.

34289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 34289280 is about 5855.7049105979. The cubic root of 34289280 is about 324.8773659604.

The spelling of 34289280 in words is "thirty-four million, two hundred eighty-nine thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 5953 11906 17859 23812 29765 35718 47624 53577 59530 71436 89295 95248 107154 119060 142872 178590 190496 214308 238120 267885 285744 357180 380992 428616 476240 535770 571488 714360 761984 857232 952480 1071540 1142976 1428720 1714464 1904960 2143080 2285952 2857440 3428928 3809920 4286160 5714880 6857856 8572320 11429760 17144640 34289280