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228061045 = 5167273127
BaseRepresentation
bin11011001011111…
…10111101110101
3120220010200221101
431211332331311
5431340423140
634344050101
75436326002
oct1545767565
9526120841
10228061045
11107809703
1264463931
1338330884
14224088a9
151504d99a
hexd97ef75

228061045 has 8 divisors (see below), whose sum is σ = 275313024. Its totient is φ = 181355664.

The previous prime is 228061037. The next prime is 228061049. The reversal of 228061045 is 540160822.

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

It is a cyclic number.

It is not a de Polignac number, because 228061045 - 23 = 228061037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228061049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135729 + ... + 137398.

It is an arithmetic number, because the mean of its divisors is an integer number (34414128).

Almost surely, 2228061045 is an apocalyptic number.

It is an amenable number.

228061045 is a deficient number, since it is larger than the sum of its proper divisors (47251979).

228061045 is a wasteful number, since it uses less digits than its factorization.

228061045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273299.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 228061045 is about 15101.6901371999. The cubic root of 228061045 is about 610.9659916266.

The spelling of 228061045 in words is "two hundred twenty-eight million, sixty-one thousand, forty-five".

Divisors: 1 5 167 835 273127 1365635 45612209 228061045