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245580228 = 22333476553
BaseRepresentation
bin11101010001101…
…00000111000100
3122010002202202000
432220310013010
51000332031403
640211345300
76041253225
oct1650640704
9563082660
10245580228
11116695073
126a2b2230
133bb55a5a
142488924c
151685e7a3
hexea341c4

245580228 has 48 divisors (see below), whose sum is σ = 638621760. Its totient is φ = 81611712.

The previous prime is 245580197. The next prime is 245580229. The reversal of 245580228 is 822085542.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 245580192 and 245580201.

It is not an unprimeable number, because it can be changed into a prime (245580229) 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, 34200 + ... + 40752.

It is an arithmetic number, because the mean of its divisors is an integer number (13304620).

Almost surely, 2245580228 is an apocalyptic number.

It is an amenable number.

245580228 is an abundant number, since it is smaller than the sum of its proper divisors (393041532).

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

245580228 is a wasteful number, since it uses less digits than its factorization.

245580228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913 (or 6905 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 245580228 is about 15670.9995852211. Note that the first 3 decimals coincide. The cubic root of 245580228 is about 626.2260545185.

The spelling of 245580228 in words is "two hundred forty-five million, five hundred eighty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 347 694 1041 1388 2082 3123 4164 6246 6553 9369 12492 13106 18738 19659 26212 37476 39318 58977 78636 117954 176931 235908 353862 707724 2273891 4547782 6821673 9095564 13643346 20465019 27286692 40930038 61395057 81860076 122790114 245580228