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228680744 = 2328585093
BaseRepresentation
bin11011010000101…
…10010000101000
3120221022012000012
431220112100220
5432020240434
634405231052
75444516465
oct1550262050
9527265005
10228680744
111080a2256
1264702488
13384b9966
142252a66c
15151223ce
hexda16428

228680744 has 8 divisors (see below), whose sum is σ = 428776410. Its totient is φ = 114340368.

The previous prime is 228680737. The next prime is 228680759. The reversal of 228680744 is 447086822.

It can be written as a sum of positive squares in only one way, i.e., 175244644 + 53436100 = 13238^2 + 7310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14292539 + ... + 14292554.

Almost surely, 2228680744 is an apocalyptic number.

It is an amenable number.

228680744 is a deficient number, since it is larger than the sum of its proper divisors (200095666).

228680744 is a wasteful number, since it uses less digits than its factorization.

228680744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28585099 (or 28585095 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 228680744 is about 15122.1937561982. The cubic root of 228680744 is about 611.5188737144.

The spelling of 228680744 in words is "two hundred twenty-eight million, six hundred eighty thousand, seven hundred forty-four".

Divisors: 1 2 4 8 28585093 57170186 114340372 228680744