[go: up one dir, main page]

Search a number
-
+
17970120 = 2333572377
BaseRepresentation
bin100010010001…
…1001111001000
31020210222101000
41010203033020
514100020440
61441055000
7305513010
oct104431710
936728330
1017970120
11a164243
126027460
13395250c
14255ac40
15189e730
hex11233c8

17970120 has 128 divisors (see below), whose sum is σ = 68486400. Its totient is φ = 4105728.

The previous prime is 17970103. The next prime is 17970131. The reversal of 17970120 is 2107971.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 6372 + ... + 8748.

It is an arithmetic number, because the mean of its divisors is an integer number (535050).

Almost surely, 217970120 is an apocalyptic number.

17970120 is a gapful number since it is divisible by the number (10) 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 17970120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34243200).

17970120 is an abundant number, since it is smaller than the sum of its proper divisors (50516280).

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

17970120 is a wasteful number, since it uses less digits than its factorization.

17970120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 17970120 is about 4239.1178327572. The cubic root of 17970120 is about 261.9290447484.

The spelling of 17970120 in words is "seventeen million, nine hundred seventy thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 210 216 252 270 280 315 360 378 420 504 540 630 756 840 945 1080 1260 1512 1890 2377 2520 3780 4754 7131 7560 9508 11885 14262 16639 19016 21393 23770 28524 33278 35655 42786 47540 49917 57048 64179 66556 71310 83195 85572 95080 99834 106965 128358 133112 142620 149751 166390 171144 199668 213930 249585 256716 285240 299502 320895 332780 399336 427860 449253 499170 513432 599004 641790 665560 748755 855720 898506 998340 1198008 1283580 1497510 1797012 1996680 2246265 2567160 2995020 3594024 4492530 5990040 8985060 17970120