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34145356 = 22721953173
BaseRepresentation
bin1000001001000…
…0010001001100
32101020202121211
42002100101030
532220122411
63215504204
7563142100
oct202202114
971222554
1034145356
1118301a03
12b528064
1370c6a6b
14476b900
152ee7221
hex209044c

34145356 has 72 divisors (see below), whose sum is σ = 74980080. Its totient is φ = 13523328.

The previous prime is 34145351. The next prime is 34145357. The reversal of 34145356 is 65354143.

It is not an unprimeable number, because it can be changed into a prime (34145351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197286 + ... + 197458.

It is an arithmetic number, because the mean of its divisors is an integer number (1041390).

Almost surely, 234145356 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 34145356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37490040).

34145356 is an abundant number, since it is smaller than the sum of its proper divisors (40834724).

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

34145356 is a wasteful number, since it uses less digits than its factorization.

34145356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 34145356 is about 5843.4027757806. The cubic root of 34145356 is about 324.4221875261.

Adding to 34145356 its reverse (65354143), we get a palindrome (99499499).

The spelling of 34145356 in words is "thirty-four million, one hundred forty-five thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 19 28 38 49 53 76 98 106 133 173 196 212 266 346 371 532 692 742 931 1007 1211 1484 1862 2014 2422 2597 3287 3724 4028 4844 5194 6574 7049 8477 9169 10388 13148 14098 16954 18338 23009 28196 33908 36676 46018 49343 64183 92036 98686 128366 161063 174211 197372 256732 322126 348422 449281 644252 696844 898562 1219477 1797124 2438954 4877908 8536339 17072678 34145356