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245580234 = 2383493133
BaseRepresentation
bin11101010001101…
…00000111001010
3122010002202202020
432220310013022
51000332031414
640211345310
76041253234
oct1650640712
9563082666
10245580234
11116695079
126a2b2236
133bb55a63
1424889254
151685e7a9
hexea341ca

245580234 has 16 divisors (see below), whose sum is σ = 497079072. Its totient is φ = 80873648.

The previous prime is 245580229. The next prime is 245580271. The reversal of 245580234 is 432085542.

It is a junction number, because it is equal to n+sod(n) for n = 245580195 and 245580204.

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 7 ways as a sum of consecutive naturals, for example, 246069 + ... + 247064.

It is an arithmetic number, because the mean of its divisors is an integer number (31067442).

Almost surely, 2245580234 is an apocalyptic number.

245580234 is an abundant number, since it is smaller than the sum of its proper divisors (251498838).

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

245580234 is a wasteful number, since it uses less digits than its factorization.

245580234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493221.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 245580234 is about 15670.9997766575. Note that the first 3 decimals coincide. The cubic root of 245580234 is about 626.2260596184.

The spelling of 245580234 in words is "two hundred forty-five million, five hundred eighty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 83 166 249 498 493133 986266 1479399 2958798 40930039 81860078 122790117 245580234