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201152240 = 24519592243
BaseRepresentation
bin10111111110101…
…01011011110000
3112000111120222222
423333111123300
5402443332430
631543220212
74661523452
oct1377253360
9460446888
10201152240
11a35aa723
1257447668
133289b8c3
141ca022d2
15129d59e5
hexbfd56f0

201152240 has 80 divisors (see below), whose sum is σ = 500860800. Its totient is φ = 74900736.

The previous prime is 201152179. The next prime is 201152251. The reversal of 201152240 is 42251102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88559 + ... + 90801.

It is an arithmetic number, because the mean of its divisors is an integer number (6260760).

Almost surely, 2201152240 is an apocalyptic number.

201152240 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 201152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250430400).

201152240 is an abundant number, since it is smaller than the sum of its proper divisors (299708560).

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

201152240 is a wasteful number, since it uses less digits than its factorization.

201152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 201152240 is about 14182.8149533159. The cubic root of 201152240 is about 585.9244545339.

The spelling of 201152240 in words is "two hundred one million, one hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 59 76 80 95 118 152 190 236 295 304 380 472 590 760 944 1121 1180 1520 2242 2243 2360 4484 4486 4720 5605 8968 8972 11210 11215 17936 17944 22420 22430 35888 42617 44840 44860 85234 89680 89720 132337 170468 179440 213085 264674 340936 426170 529348 661685 681872 852340 1058696 1323370 1704680 2117392 2514403 2646740 3409360 5028806 5293480 10057612 10586960 12572015 20115224 25144030 40230448 50288060 100576120 201152240