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228023002 = 2611869041
BaseRepresentation
bin11011001011101…
…01101011011010
3120220001202202101
431211311223122
5431333214002
634343154014
75436110044
oct1545655332
9526052671
10228023002
11107793069
126444590a
133831946c
14223d8a94
1515042587
hexd975ada

228023002 has 8 divisors (see below), whose sum is σ = 347641812. Its totient is φ = 112142400.

The previous prime is 228022999. The next prime is 228023021. The reversal of 228023002 is 200320822.

It can be written as a sum of positive squares in 2 ways, for example, as 225330121 + 2692881 = 15011^2 + 1641^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934399 + ... + 934642.

Almost surely, 2228023002 is an apocalyptic number.

228023002 is a deficient number, since it is larger than the sum of its proper divisors (119618810).

228023002 is a wasteful number, since it uses less digits than its factorization.

228023002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869104.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 228023002 is about 15100.4305236639. The cubic root of 228023002 is about 610.9320178693.

Adding to 228023002 its reverse (200320822), we get a palindrome (428343824).

The spelling of 228023002 in words is "two hundred twenty-eight million, twenty-three thousand, two".

Divisors: 1 2 61 122 1869041 3738082 114011501 228023002