Search a number
-
+
34319285 = 5711136857
BaseRepresentation
bin1000001011101…
…0101110110101
32101120121012122
42002322232311
532241204120
63223325325
7564465140
oct202725665
971517178
1034319285
1118410650
12b5b0845
137157c90
1447b5057
15302da25
hex20babb5

34319285 has 32 divisors (see below), whose sum is σ = 55302912. Its totient is φ = 19745280.

The previous prime is 34319281. The next prime is 34319303. The reversal of 34319285 is 58291343.

It is not a de Polignac number, because 34319285 - 22 = 34319281 is a prime.

It is a super-3 number, since 3×343192853 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34319281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1577 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (1728216).

Almost surely, 234319285 is an apocalyptic number.

34319285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34319285 is a deficient number, since it is larger than the sum of its proper divisors (20983627).

34319285 is a wasteful number, since it uses less digits than its factorization.

34319285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893.

The product of its digits is 25920, while the sum is 35.

The square root of 34319285 is about 5858.2663817891. The cubic root of 34319285 is about 324.9721001691.

The spelling of 34319285 in words is "thirty-four million, three hundred nineteen thousand, two hundred eighty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 6857 34285 47999 75427 89141 239995 377135 445705 527989 623987 980551 2639945 3119935 4902755 6863857 34319285