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245558028 = 22323889703
BaseRepresentation
bin11101010001011…
…10101100001100
3122010001122021210
432220232230030
51000330324103
640211054420
76041131422
oct1650565414
9563048253
10245558028
1111667a421
126a2a1410
133bb48911
1424881112
1516857e03
hexea2eb0c

245558028 has 24 divisors (see below), whose sum is σ = 597881088. Its totient is φ = 78293776.

The previous prime is 245558023. The next prime is 245558029. The reversal of 245558028 is 820855542.

245558028 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245558023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444576 + ... + 445127.

It is an arithmetic number, because the mean of its divisors is an integer number (24911712).

Almost surely, 2245558028 is an apocalyptic number.

It is an amenable number.

245558028 is an abundant number, since it is smaller than the sum of its proper divisors (352323060).

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

245558028 is a wasteful number, since it uses less digits than its factorization.

245558028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889733 (or 889731 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 245558028 is about 15670.2912544726. The cubic root of 245558028 is about 626.2071840561.

The spelling of 245558028 in words is "two hundred forty-five million, five hundred fifty-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 889703 1779406 2669109 3558812 5338218 10676436 20463169 40926338 61389507 81852676 122779014 245558028