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363725540 = 225172937997
BaseRepresentation
bin10101101011100…
…000001011100100
3221100102011122022
4111223200023210
51221103204130
6100031522312
712004421213
oct2553401344
9840364568
10363725540
1117734a422
12a1989398
135a480719
143644107a
1521dea7e5
hex15ae02e4

363725540 has 96 divisors (see below), whose sum is σ = 860116320. Its totient is φ = 128507904.

The previous prime is 363725533. The next prime is 363725567. The reversal of 363725540 is 45527363.

It can be written as a sum of positive squares in 16 ways, for example, as 5683456 + 358042084 = 2384^2 + 18922^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 363725540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364322 + ... + 365318.

It is an arithmetic number, because the mean of its divisors is an integer number (8959545).

Almost surely, 2363725540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 363725540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430058160).

363725540 is an abundant number, since it is smaller than the sum of its proper divisors (496390780).

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

363725540 is a wasteful number, since it uses less digits than its factorization.

363725540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 363725540 is about 19071.5898655566. The cubic root of 363725540 is about 713.8241975246.

The spelling of 363725540 in words is "three hundred sixty-three million, seven hundred twenty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 29 34 37 58 68 74 85 116 145 148 170 185 290 340 370 493 580 629 740 986 997 1073 1258 1972 1994 2146 2465 2516 3145 3988 4292 4930 4985 5365 6290 9860 9970 10730 12580 16949 18241 19940 21460 28913 33898 36482 36889 57826 67796 72964 73778 84745 91205 115652 144565 147556 169490 182410 184445 289130 338980 364820 368890 491521 578260 627113 737780 983042 1069781 1254226 1966084 2139562 2457605 2508452 3135565 4279124 4915210 5348905 6271130 9830420 10697810 12542260 18186277 21395620 36372554 72745108 90931385 181862770 363725540