Search a number
-
+
245923825 = 5271738123
BaseRepresentation
bin11101010100001…
…11111111110001
3122010202020001211
432222013333301
51000424030300
640223000121
76044214040
oct1652077761
9563666054
10245923825
111168aa234
126a439041
133bc46274
1424938557
15168cb4ba
hexea87ff1

245923825 has 24 divisors (see below), whose sum is σ = 350566848. Its totient is φ = 167638080.

The previous prime is 245923817. The next prime is 245923831. The reversal of 245923825 is 528329542.

It is not a de Polignac number, because 245923825 - 23 = 245923817 is a prime.

It is a Duffinian number.

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, 26214 + ... + 34336.

It is an arithmetic number, because the mean of its divisors is an integer number (14606952).

Almost surely, 2245923825 is an apocalyptic number.

245923825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245923825 is a deficient number, since it is larger than the sum of its proper divisors (104643023).

245923825 is a wasteful number, since it uses less digits than its factorization.

245923825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313 (or 8308 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 245923825 is about 15681.9585830342. The cubic root of 245923825 is about 626.5179742220.

The spelling of 245923825 in words is "two hundred forty-five million, nine hundred twenty-three thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 173 175 865 1211 4325 6055 8123 30275 40615 56861 203075 284305 1405279 1421525 7026395 9836953 35131975 49184765 245923825