Search a number
-
+
2258604720 = 243254176511
BaseRepresentation
bin1000011010011111…
…1001001010110000
312211101222000012200
42012213321022300
514111200322340
61012041423200
7106653552261
oct20647711260
95741860180
102258604720
11a59a18179
1253049ab00
1329cc104c8
14175d74968
15d3446330
hex869f92b0

2258604720 has 120 divisors (see below), whose sum is σ = 7770252672. Its totient is φ = 587596800.

The previous prime is 2258604701. The next prime is 2258604721. The reversal of 2258604720 is 274068522.

2258604720 is a `hidden beast` number, since 2 + 2 + 586 + 0 + 4 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2258604721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8736 + ... + 67775.

Almost surely, 22258604720 is an apocalyptic number.

2258604720 is a gapful number since it is divisible by the number (20) 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 2258604720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3885126336).

2258604720 is an abundant number, since it is smaller than the sum of its proper divisors (5511647952).

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

2258604720 is a wasteful number, since it uses less digits than its factorization.

2258604720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76571 (or 76562 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2258604720 is about 47524.7800626158. The cubic root of 2258604720 is about 1312.0389978246.

The spelling of 2258604720 in words is "two billion, two hundred fifty-eight million, six hundred four thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 41 45 48 60 72 80 82 90 120 123 144 164 180 205 240 246 328 360 369 410 492 615 656 720 738 820 984 1230 1476 1640 1845 1968 2460 2952 3280 3690 4920 5904 7380 9840 14760 29520 76511 153022 229533 306044 382555 459066 612088 688599 765110 918132 1147665 1224176 1377198 1530220 1836264 2295330 2754396 3060440 3136951 3442995 3672528 4590660 5508792 6120880 6273902 6885990 9181320 9410853 11017584 12547804 13771980 15684755 18362640 18821706 25095608 27543960 28232559 31369510 37643412 47054265 50191216 55087920 56465118 62739020 75286824 94108530 112930236 125478040 141162795 150573648 188217060 225860472 250956080 282325590 376434120 451720944 564651180 752868240 1129302360 2258604720