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34304144 = 247535779
BaseRepresentation
bin1000001011011…
…1000010010000
32101112211102212
42002313002100
532240213034
63223131252
7564403040
oct202670220
971484385
1034304144
1118400236
12b5a3b28
137151114
1447ad720
1530292ce
hex20b7090

34304144 has 40 divisors (see below), whose sum is σ = 77405760. Its totient is φ = 14421888.

The previous prime is 34304141. The next prime is 34304183. The reversal of 34304144 is 44140343.

It is not an unprimeable number, because it can be changed into a prime (34304141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3047 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (1935144).

Almost surely, 234304144 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 34304144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38702880).

34304144 is an abundant number, since it is smaller than the sum of its proper divisors (43101616).

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

34304144 is a wasteful number, since it uses less digits than its factorization.

34304144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847 (or 5841 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 34304144 is about 5856.9739627217. The cubic root of 34304144 is about 324.9243026859.

Adding to 34304144 its reverse (44140343), we get a palindrome (78444487).

The spelling of 34304144 in words is "thirty-four million, three hundred four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 53 56 106 112 212 371 424 742 848 1484 2968 5779 5936 11558 23116 40453 46232 80906 92464 161812 306287 323624 612574 647248 1225148 2144009 2450296 4288018 4900592 8576036 17152072 34304144