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245552241 = 31137319949
BaseRepresentation
bin11101010001011…
…01010001110001
3122010001100100110
432220231101301
51000330132431
640211011533
76041105514
oct1650552161
9563040313
10245552241
11116676040
126a299ba9
133bb460ac
142487cd7b
1516856346
hexea2d471

245552241 has 16 divisors (see below), whose sum is σ = 358142400. Its totient is φ = 148413120.

The previous prime is 245552207. The next prime is 245552273. The reversal of 245552241 is 142255542.

245552241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-245552241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245552199 and 245552208.

It is not an unprimeable number, because it can be changed into a prime (245553241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335 + ... + 22283.

It is an arithmetic number, because the mean of its divisors is an integer number (22383900).

Almost surely, 2245552241 is an apocalyptic number.

It is an amenable number.

245552241 is a deficient number, since it is larger than the sum of its proper divisors (112590159).

245552241 is a wasteful number, since it uses less digits than its factorization.

245552241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336.

The product of its digits is 16000, while the sum is 30.

The square root of 245552241 is about 15670.1066046150. The cubic root of 245552241 is about 626.2022647987.

It can be divided in two parts, 24555 and 2241, that added together give a triangular number (26796 = T231).

The spelling of 245552241 in words is "two hundred forty-five million, five hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 3 11 33 373 1119 4103 12309 19949 59847 219439 658317 7440977 22322931 81850747 245552241