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228137202 = 23341103043
BaseRepresentation
bin11011001100100…
…01100011110010
3120220021120102000
431212101203302
5431400342302
634345434430
75440064016
oct1546214362
9526246360
10228137202
11107860947
126449ba16
1338359437
1422428546
151506631c
hexd9918f2

228137202 has 32 divisors (see below), whose sum is σ = 519341760. Its totient is φ = 74190240.

The previous prime is 228137183. The next prime is 228137213. The reversal of 228137202 is 202731822.

It is a happy number.

228137202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 49308 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (16229430).

Almost surely, 2228137202 is an apocalyptic number.

228137202 is an abundant number, since it is smaller than the sum of its proper divisors (291204558).

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

228137202 is a wasteful number, since it uses less digits than its factorization.

228137202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103095 (or 103089 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 228137202 is about 15104.2113994740. The cubic root of 228137202 is about 611.0339911962.

The spelling of 228137202 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 103043 206086 309129 618258 927387 1854774 2782161 4224763 5564322 8449526 12674289 25348578 38022867 76045734 114068601 228137202