Search a number
-
+
510420120 = 23357837321
BaseRepresentation
bin11110011011000…
…110010010011000
31022120110000202220
4132123012102120
52021131420440
6122352024040
715435333210
oct3633062230
91276400686
10510420120
11242134211
12122b32020
1381992c52
144bb09240
152ec258d0
hex1e6c6498

510420120 has 128 divisors (see below), whose sum is σ = 1771338240. Its totient is φ = 115246080.

The previous prime is 510420107. The next prime is 510420133. The reversal of 510420120 is 21024015.

It is an interprime number because it is at equal distance from previous prime (510420107) and next prime (510420133).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 510420120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66060 + ... + 73380.

It is an arithmetic number, because the mean of its divisors is an integer number (13838580).

Almost surely, 2510420120 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 510420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885669120).

510420120 is an abundant number, since it is smaller than the sum of its proper divisors (1260918120).

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

510420120 is a wasteful number, since it uses less digits than its factorization.

510420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425 (or 7421 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 510420120 is about 22592.4792796187. The cubic root of 510420120 is about 799.1762980182.

Adding to 510420120 its reverse (21024015), we get a palindrome (531444135).

The spelling of 510420120 in words is "five hundred ten million, four hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 83 84 105 120 140 166 168 210 249 280 332 415 420 498 581 664 830 840 996 1162 1245 1660 1743 1992 2324 2490 2905 3320 3486 4648 4980 5810 6972 7321 8715 9960 11620 13944 14642 17430 21963 23240 29284 34860 36605 43926 51247 58568 69720 73210 87852 102494 109815 146420 153741 175704 204988 219630 256235 292840 307482 409976 439260 512470 607643 614964 768705 878520 1024940 1215286 1229928 1537410 1822929 2049880 2430572 3038215 3074820 3645858 4253501 4861144 6076430 6149640 7291716 8507002 9114645 12152860 12760503 14583432 17014004 18229290 21267505 24305720 25521006 34028008 36458580 42535010 51042012 63802515 72917160 85070020 102084024 127605030 170140040 255210060 510420120