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34212480 = 2735103173
BaseRepresentation
bin1000001010000…
…0101010000000
32101101011200220
42002200222000
532224244410
63221143040
7563541561
oct202405200
971334626
1034212480
1118348385
12b55aa80
13711b493
144788168
15300c070
hex20a0a80

34212480 has 128 divisors (see below), whose sum is σ = 110747520. Its totient is φ = 8982528.

The previous prime is 34212473. The next prime is 34212481. The reversal of 34212480 is 8421243.

It is a tau number, because it is divible by the number of its divisors (128).

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 34212480.

It is not an unprimeable number, because it can be changed into a prime (34212481) 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, 197674 + ... + 197846.

It is an arithmetic number, because the mean of its divisors is an integer number (865215).

Almost surely, 234212480 is an apocalyptic number.

34212480 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 34212480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55373760).

34212480 is an abundant number, since it is smaller than the sum of its proper divisors (76535040).

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

34212480 is a wasteful number, since it uses less digits than its factorization.

34212480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 34212480 is about 5849.1435270474. The cubic root of 34212480 is about 324.6346347750.

The spelling of 34212480 in words is "thirty-four million, two hundred twelve thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 103 120 128 160 173 192 206 240 309 320 346 384 412 480 515 519 618 640 692 824 865 960 1030 1038 1236 1384 1545 1648 1730 1920 2060 2076 2472 2595 2768 3090 3296 3460 4120 4152 4944 5190 5536 6180 6592 6920 8240 8304 9888 10380 11072 12360 13184 13840 16480 16608 17819 19776 20760 22144 24720 27680 32960 33216 35638 39552 41520 49440 53457 55360 65920 66432 71276 83040 89095 98880 106914 110720 142552 166080 178190 197760 213828 267285 285104 332160 356380 427656 534570 570208 712760 855312 1069140 1140416 1425520 1710624 2138280 2280832 2851040 3421248 4276560 5702080 6842496 8553120 11404160 17106240 34212480