Search a number
-
+
201792920 = 23571983457
BaseRepresentation
bin11000000011100…
…01110110011000
3112001201010211212
430001301312120
5403124333140
632005042252
75000132360
oct1401616630
9461633755
10201792920
11a39a800a
12576b6388
1332a643c4
141cb2b9a0
1512ab0765
hexc071d98

201792920 has 128 divisors (see below), whose sum is σ = 553996800. Its totient is φ = 64613376.

The previous prime is 201792893. The next prime is 201792953. The reversal of 201792920 is 29297102.

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, 441332 + ... + 441788.

It is an arithmetic number, because the mean of its divisors is an integer number (4328100).

Almost surely, 2201792920 is an apocalyptic number.

201792920 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 201792920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276998400).

201792920 is an abundant number, since it is smaller than the sum of its proper divisors (352203880).

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

201792920 is a wasteful number, since it uses less digits than its factorization.

201792920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 201792920 is about 14205.3834865519. The cubic root of 201792920 is about 586.5458615468.

The spelling of 201792920 in words is "two hundred one million, seven hundred ninety-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 83 95 133 140 152 166 190 266 280 332 380 415 457 532 581 664 665 760 830 914 1064 1162 1330 1577 1660 1828 2285 2324 2660 2905 3154 3199 3320 3656 4570 4648 5320 5810 6308 6398 7885 8683 9140 11039 11620 12616 12796 15770 15995 17366 18280 22078 23240 25592 31540 31990 34732 37931 43415 44156 55195 60781 63080 63980 69464 75862 86830 88312 110390 121562 127960 151724 173660 189655 220780 243124 265517 303448 303905 347320 379310 441560 486248 531034 607810 720689 758620 1062068 1215620 1327585 1441378 1517240 2124136 2431240 2655170 2882756 3603445 5044823 5310340 5765512 7206890 10089646 10620680 14413780 20179292 25224115 28827560 40358584 50448230 100896460 201792920