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228942874 = 2233125179
BaseRepresentation
bin11011010010101…
…10010000011010
3120221210111120201
431221112100122
5432102132444
634415012414
75446660636
oct1551262032
9527714521
10228942874
11108261196
126480a10a
133857c074
1422597dc6
1515174dd4
hexda5641a

228942874 has 24 divisors (see below), whose sum is σ = 370349280. Its totient is φ = 105941880.

The previous prime is 228942863. The next prime is 228942899. The reversal of 228942874 is 478249822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41617 + ... + 46795.

It is an arithmetic number, because the mean of its divisors is an integer number (15431220).

Almost surely, 2228942874 is an apocalyptic number.

228942874 is a deficient number, since it is larger than the sum of its proper divisors (141406406).

228942874 is a wasteful number, since it uses less digits than its factorization.

228942874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266 (or 5235 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 228942874 is about 15130.8583365254. The cubic root of 228942874 is about 611.7524398504.

The spelling of 228942874 in words is "two hundred twenty-eight million, nine hundred forty-two thousand, eight hundred seventy-four".

Divisors: 1 2 23 31 46 62 713 961 1426 1922 5179 10358 22103 44206 119117 160549 238234 321098 3692627 4977019 7385254 9954038 114471437 228942874