Search a number
-
+
34145888 = 2571971113
BaseRepresentation
bin1000001001000…
…0011001100000
32101020210100112
42002100121200
532220132023
63215510452
7563143460
oct202203140
971223315
1034145888
1118302347
12b528428
1370c708a
14476bba0
152ee7478
hex2090660

34145888 has 96 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 13547520.

The previous prime is 34145887. The next prime is 34145899. The reversal of 34145888 is 88854143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34145887) 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 15 ways as a sum of consecutive naturals, for example, 302120 + ... + 302232.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 234145888 is an apocalyptic number.

34145888 is a gapful number since it is divisible by the number (38) 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 34145888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41368320).

34145888 is an abundant number, since it is smaller than the sum of its proper divisors (48590752).

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

34145888 is a wasteful number, since it uses less digits than its factorization.

34145888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 34145888 is about 5843.4482970246. The cubic root of 34145888 is about 324.4238723986.

The spelling of 34145888 in words is "thirty-four million, one hundred forty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 71 76 112 113 133 142 152 224 226 266 284 304 452 497 532 568 608 791 904 994 1064 1136 1349 1582 1808 1988 2128 2147 2272 2698 3164 3616 3976 4256 4294 5396 6328 7952 8023 8588 9443 10792 12656 15029 15904 16046 17176 18886 21584 25312 30058 32092 34352 37772 43168 56161 60116 64184 68704 75544 112322 120232 128368 151088 152437 224644 240464 256736 302176 304874 449288 480928 609748 898576 1067059 1219496 1797152 2134118 2438992 4268236 4877984 8536472 17072944 34145888