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228302703 = 3229874723
BaseRepresentation
bin11011001101110…
…01111101101111
3120220120222102200
431212321331233
5431421141303
634353152543
75441353356
oct1546717557
9526528380
10228302703
11107964222
126455b753
13383b6875
142246c99d
151509a3a3
hexd9b9f6f

228302703 has 12 divisors (see below), whose sum is σ = 341142360. Its totient is φ = 146953296.

The previous prime is 228302671. The next prime is 228302713. The reversal of 228302703 is 307203822.

It is not a de Polignac number, because 228302703 - 25 = 228302671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228302713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437101 + ... + 437622.

It is an arithmetic number, because the mean of its divisors is an integer number (28428530).

Almost surely, 2228302703 is an apocalyptic number.

228302703 is a deficient number, since it is larger than the sum of its proper divisors (112839657).

228302703 is a wasteful number, since it uses less digits than its factorization.

228302703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874758 (or 874755 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 228302703 is about 15109.6890437891. The cubic root of 228302703 is about 611.1817126720.

The spelling of 228302703 in words is "two hundred twenty-eight million, three hundred two thousand, seven hundred three".

Divisors: 1 3 9 29 87 261 874723 2624169 7872507 25366967 76100901 228302703