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228066377 = 7112961901
BaseRepresentation
bin11011001100000…
…00010001001001
3120220010222020212
431212000101021
5431341111002
634344130505
75436350360
oct1546002111
9526128225
10228066377
11107812710
1264466a35
1338333126
142240a7d7
1515050352
hexd980449

228066377 has 8 divisors (see below), whose sum is σ = 284342592. Its totient is φ = 177714000.

The previous prime is 228066361. The next prime is 228066427. The reversal of 228066377 is 773660822.

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 228066377 - 24 = 228066361 is a prime.

It is a super-2 number, since 2×2280663772 = 104028544635812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228066077) 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, 1480874 + ... + 1481027.

It is an arithmetic number, because the mean of its divisors is an integer number (35542824).

Almost surely, 2228066377 is an apocalyptic number.

It is an amenable number.

228066377 is a deficient number, since it is larger than the sum of its proper divisors (56276215).

228066377 is a wasteful number, since it uses less digits than its factorization.

228066377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961919.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 228066377 is about 15101.8666726998. The cubic root of 228066377 is about 610.9707529910.

The spelling of 228066377 in words is "two hundred twenty-eight million, sixty-six thousand, three hundred seventy-seven".

Divisors: 1 7 11 77 2961901 20733307 32580911 228066377