Search a number
-
+
245293800 = 233521921517
BaseRepresentation
bin11101001111011…
…10001011101000
3122002120012211120
432213232023220
51000243400200
640201255240
76035651163
oct1647561350
9562505746
10245293800
11116509954
126a194520
133ba8557b
1424812ada
15168049a0
hexe9ee2e8

245293800 has 96 divisors (see below), whose sum is σ = 800469600. Its totient is φ = 61966080.

The previous prime is 245293777. The next prime is 245293823. The reversal of 245293800 is 8392542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (245293777) and next prime (245293823).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642 + ... + 22158.

It is an arithmetic number, because the mean of its divisors is an integer number (8338225).

Almost surely, 2245293800 is an apocalyptic number.

245293800 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 245293800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400234800).

245293800 is an abundant number, since it is smaller than the sum of its proper divisors (555175800).

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

245293800 is a wasteful number, since it uses less digits than its factorization.

245293800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555 (or 21546 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 245293800 is about 15661.8581273104. The cubic root of 245293800 is about 625.9824973756.

The spelling of 245293800 in words is "two hundred forty-five million, two hundred ninety-three thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 150 152 190 200 228 285 300 380 456 475 570 600 760 950 1140 1425 1900 2280 2850 3800 5700 11400 21517 43034 64551 86068 107585 129102 172136 215170 258204 322755 408823 430340 516408 537925 645510 817646 860680 1075850 1226469 1291020 1613775 1635292 2044115 2151700 2452938 2582040 3227550 3270584 4088230 4303400 4905876 6132345 6455100 8176460 9811752 10220575 12264690 12910200 16352920 20441150 24529380 30661725 40882300 49058760 61323450 81764600 122646900 245293800