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14247870 = 23571317307
BaseRepresentation
bin110110010110…
…011110111110
3222210212101220
4312112132332
512121412440
61225214210
7232050660
oct66263676
928725356
1014247870
1180516aa
124931366
132c4b1c0
141c6c530
1513b68d0
hexd967be

14247870 has 128 divisors (see below), whose sum is σ = 44706816. Its totient is φ = 2820096.

The previous prime is 14247847. The next prime is 14247901. The reversal of 14247870 is 7874241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46257 + ... + 46563.

It is an arithmetic number, because the mean of its divisors is an integer number (349272).

Almost surely, 214247870 is an apocalyptic number.

14247870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14247870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22353408).

14247870 is an abundant number, since it is smaller than the sum of its proper divisors (30458946).

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

14247870 is a wasteful number, since it uses less digits than its factorization.

14247870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 14247870 is about 3774.6350817000. The cubic root of 14247870 is about 242.4282992045.

The spelling of 14247870 in words is "fourteen million, two hundred forty-seven thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 17 21 26 30 34 35 39 42 51 65 70 78 85 91 102 105 119 130 170 182 195 210 221 238 255 273 307 357 390 442 455 510 546 595 614 663 714 910 921 1105 1190 1326 1365 1535 1547 1785 1842 2149 2210 2730 3070 3094 3315 3570 3991 4298 4605 4641 5219 6447 6630 7735 7982 9210 9282 10438 10745 11973 12894 15470 15657 19955 21490 23205 23946 26095 27937 31314 32235 36533 39910 46410 52190 55874 59865 64470 67847 73066 78285 83811 109599 119730 135694 139685 156570 167622 182665 203541 219198 279370 339235 365330 407082 419055 474929 547995 678470 838110 949858 1017705 1095990 1424787 2035410 2374645 2849574 4749290 7123935 14247870