Search a number
-
+
159474540 = 223531831033
BaseRepresentation
bin10011000000101…
…10001101101100
3102010002010221110
421200112031230
5311311141130
623454032020
73644340231
oct1140261554
9363063843
10159474540
1182023645
12454a8610
1327068544
1417273788
15e001ab0
hex981636c

159474540 has 96 divisors (see below), whose sum is σ = 466937856. Its totient is φ = 40619520.

The previous prime is 159474533. The next prime is 159474541. The reversal of 159474540 is 45474951.

It is not an unprimeable number, because it can be changed into a prime (159474541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153864 + ... + 154896.

It is an arithmetic number, because the mean of its divisors is an integer number (4863936).

Almost surely, 2159474540 is an apocalyptic number.

159474540 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 159474540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233468928).

159474540 is an abundant number, since it is smaller than the sum of its proper divisors (307463316).

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

159474540 is a wasteful number, since it uses less digits than its factorization.

159474540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 159474540 is about 12628.3229290354. The cubic root of 159474540 is about 542.2885724282.

The spelling of 159474540 in words is "one hundred fifty-nine million, four hundred seventy-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 83 93 124 155 166 186 249 310 332 372 415 465 498 620 830 930 996 1033 1245 1660 1860 2066 2490 2573 3099 4132 4980 5146 5165 6198 7719 10292 10330 12396 12865 15438 15495 20660 25730 30876 30990 32023 38595 51460 61980 64046 77190 85739 96069 128092 154380 160115 171478 192138 257217 320230 342956 384276 428695 480345 514434 640460 857390 960690 1028868 1286085 1714780 1921380 2572170 2657909 5144340 5315818 7973727 10631636 13289545 15947454 26579090 31894908 39868635 53158180 79737270 159474540