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228796977 = 3127600517
BaseRepresentation
bin11011010001100…
…10101000110001
3120221112002110010
431220302220301
5432033000402
634411525133
75445512403
oct1550625061
9527462403
10228796977
11108171612
12647597a9
133852a836
142255ab73
1515146a6c
hexda32a31

228796977 has 8 divisors (see below), whose sum is σ = 307465216. Its totient is φ = 151330032.

The previous prime is 228796973. The next prime is 228796991. The reversal of 228796977 is 779697822.

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

It is not a de Polignac number, because 228796977 - 22 = 228796973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228796973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299878 + ... + 300639.

It is an arithmetic number, because the mean of its divisors is an integer number (38433152).

Almost surely, 2228796977 is an apocalyptic number.

It is an amenable number.

228796977 is a deficient number, since it is larger than the sum of its proper divisors (78668239).

228796977 is a wasteful number, since it uses less digits than its factorization.

228796977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600647.

The product of its digits is 5334336, while the sum is 57.

The square root of 228796977 is about 15126.0363942442. The cubic root of 228796977 is about 611.6224630137.

The spelling of 228796977 in words is "two hundred twenty-eight million, seven hundred ninety-six thousand, nine hundred seventy-seven".

Divisors: 1 3 127 381 600517 1801551 76265659 228796977