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228969299 = 1382321401
BaseRepresentation
bin11011010010111…
…00101101010011
3120221211211211102
431221130231103
5432104004144
634415335015
75450130656
oct1551345523
9527754742
10228969299
1110827a029
126482146b
133858b0c0
14225a389d
151517cb4e
hexda5cb53

228969299 has 8 divisors (see below), whose sum is σ = 246893472. Its totient is φ = 211089600.

The previous prime is 228969269. The next prime is 228969319. The reversal of 228969299 is 992969822.

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 228969299 - 212 = 228965203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228969229) 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, 2 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (30861684).

Almost surely, 2228969299 is an apocalyptic number.

228969299 is a deficient number, since it is larger than the sum of its proper divisors (17924173).

228969299 is a wasteful number, since it uses less digits than its factorization.

228969299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237.

The product of its digits is 2519424, while the sum is 56.

The square root of 228969299 is about 15131.7315268280. The cubic root of 228969299 is about 611.7759754688.

The spelling of 228969299 in words is "two hundred twenty-eight million, nine hundred sixty-nine thousand, two hundred ninety-nine".

Divisors: 1 13 823 10699 21401 278213 17613023 228969299