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228857454 = 2337605443
BaseRepresentation
bin11011010010000…
…01011001101110
3120221122011102000
431221001121232
5432041414304
634413113130
75446153620
oct1551013156
9527564360
10228857454
11108202aa1
12647887a6
133854c217
1422574c10
1515159939
hexda4166e

228857454 has 32 divisors (see below), whose sum is σ = 581226240. Its totient is φ = 65387736.

The previous prime is 228857443. The next prime is 228857459. The reversal of 228857454 is 454758822.

228857454 is a `hidden beast` number, since 2 + 28 + 8 + 574 + 54 = 666.

228857454 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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228857459) 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, 302344 + ... + 303099.

It is an arithmetic number, because the mean of its divisors is an integer number (18163320).

Almost surely, 2228857454 is an apocalyptic number.

228857454 is an abundant number, since it is smaller than the sum of its proper divisors (352368786).

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

228857454 is a wasteful number, since it uses less digits than its factorization.

228857454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605461 (or 605455 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 228857454 is about 15128.0353648450. The cubic root of 228857454 is about 611.6763475152.

The spelling of 228857454 in words is "two hundred twenty-eight million, eight hundred fifty-seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 605443 1210886 1816329 3632658 4238101 5448987 8476202 10897974 12714303 16346961 25428606 32693922 38142909 76285818 114428727 228857454