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228542963 = 1119267859
BaseRepresentation
bin11011001111101…
…00100111110011
3120221001012000012
431213310213303
5432001333323
634402245135
75443404005
oct1547644763
9527035005
10228542963
11108008790
12646567ab
133846c02c
14224d2375
15150e6678
hexd9f49f3

228542963 has 24 divisors (see below), whose sum is σ = 267370560. Its totient is φ = 193667760.

The previous prime is 228542959. The next prime is 228542983. The reversal of 228542963 is 369245822.

It is not a de Polignac number, because 228542963 - 22 = 228542959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228542963.

It is not an unprimeable number, because it can be changed into a prime (228542933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265628 + ... + 266486.

It is an arithmetic number, because the mean of its divisors is an integer number (11140440).

Almost surely, 2228542963 is an apocalyptic number.

228542963 is a deficient number, since it is larger than the sum of its proper divisors (38827597).

228542963 is a wasteful number, since it uses less digits than its factorization.

228542963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 956 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 228542963 is about 15117.6374807706. The cubic root of 228542963 is about 611.3960349078.

The spelling of 228542963 in words is "two hundred twenty-eight million, five hundred forty-two thousand, nine hundred sixty-three".

Divisors: 1 11 19 67 209 361 737 859 1273 3971 9449 14003 16321 24187 57553 179531 266057 310099 633083 1093507 3411089 12028577 20776633 228542963