Search a number
-
+
34540080 = 2435712027
BaseRepresentation
bin1000001111000…
…0101000110000
32101222211002020
42003300220300
532320240310
63232151440
7566404641
oct203605060
971884066
1034540080
1118551523
12b698580
137204623
1448316c8
153074170
hex20f0a30

34540080 has 80 divisors (see below), whose sum is σ = 108635904. Its totient is φ = 9076480.

The previous prime is 34540069. The next prime is 34540087. The reversal of 34540080 is 8004543.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 34540080.

It is not an unprimeable number, because it can be changed into a prime (34540087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16027 + ... + 18053.

Almost surely, 234540080 is an apocalyptic number.

34540080 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 34540080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54317952).

34540080 is an abundant number, since it is smaller than the sum of its proper divisors (74095824).

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

34540080 is a wasteful number, since it uses less digits than its factorization.

34540080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 34540080 is about 5877.0809080699. The cubic root of 34540080 is about 325.6675195574.

The spelling of 34540080 in words is "thirty-four million, five hundred forty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 71 80 120 142 213 240 284 355 426 568 710 852 1065 1136 1420 1704 2027 2130 2840 3408 4054 4260 5680 6081 8108 8520 10135 12162 16216 17040 20270 24324 30405 32432 40540 48648 60810 81080 97296 121620 143917 162160 243240 287834 431751 486480 575668 719585 863502 1151336 1439170 1727004 2158755 2302672 2878340 3454008 4317510 5756680 6908016 8635020 11513360 17270040 34540080