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228629455 = 548793893
BaseRepresentation
bin11011010000010…
…01101111001111
3120221012120122121
431220021233033
5432012120310
634404153411
75444214115
oct1550115717
9527176577
10228629455
1110806776a
1264698867
133849c502
1422515ab5
15151120da
hexda09bcf

228629455 has 8 divisors (see below), whose sum is σ = 274921632. Its totient is φ = 182526048.

The previous prime is 228629431. The next prime is 228629459. The reversal of 228629455 is 554926822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228629455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228629459) 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, 44512 + ... + 49381.

It is an arithmetic number, because the mean of its divisors is an integer number (34365204).

Almost surely, 2228629455 is an apocalyptic number.

228629455 is a deficient number, since it is larger than the sum of its proper divisors (46292177).

228629455 is an equidigital number, since it uses as much as digits as its factorization.

228629455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94385.

The product of its digits is 345600, while the sum is 43.

The square root of 228629455 is about 15120.4978423331. The cubic root of 228629455 is about 611.4731527148.

The spelling of 228629455 in words is "two hundred twenty-eight million, six hundred twenty-nine thousand, four hundred fifty-five".

Divisors: 1 5 487 2435 93893 469465 45725891 228629455