Base | Representation |
---|---|
bin | 11011001101000… |
… | …01101101011011 |
3 | 120220101221011010 |
4 | 31212201231123 |
5 | 431410001410 |
6 | 34351105003 |
7 | 5440460622 |
oct | 1546415533 |
9 | 526357133 |
10 | 228203355 |
11 | 1078a6616 |
12 | 64512163 |
13 | 38380593 |
14 | 224446b9 |
15 | 1507ac20 |
hex | d9a1b5b |
228203355 has 16 divisors (see below), whose sum is σ = 381000960. Its totient is φ = 116416608.
The previous prime is 228203347. The next prime is 228203363. The reversal of 228203355 is 553302822.
It is an interprime number because it is at equal distance from previous prime (228203347) and next prime (228203363).
It is not a de Polignac number, because 228203355 - 23 = 228203347 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330385 + ... + 331074.
It is an arithmetic number, because the mean of its divisors is an integer number (23812560).
Almost surely, 2228203355 is an apocalyptic number.
228203355 is a deficient number, since it is larger than the sum of its proper divisors (152797605).
228203355 is a wasteful number, since it uses less digits than its factorization.
228203355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661490.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 228203355 is about 15106.4011266747. The cubic root of 228203355 is about 611.0930460469.
The spelling of 228203355 in words is "two hundred twenty-eight million, two hundred three thousand, three hundred fifty-five".
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