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28233099 = 327939709
BaseRepresentation
bin110101110110…
…0110110001011
31222010101112100
41223230312023
524211424344
62445044443
7461656146
oct153546613
958111470
1028233099
1114a33a44
129556723
135b0699b
143a6d05d
15272a569
hex1aecd8b

28233099 has 12 divisors (see below), whose sum is σ = 41298400. Its totient is φ = 18583344.

The previous prime is 28233091. The next prime is 28233103. The reversal of 28233099 is 99033282.

It is not a de Polignac number, because 28233099 - 23 = 28233091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28233091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19144 + ... + 20565.

Almost surely, 228233099 is an apocalyptic number.

28233099 is a deficient number, since it is larger than the sum of its proper divisors (13065301).

28233099 is a wasteful number, since it uses less digits than its factorization.

28233099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39794 (or 39791 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 28233099 is about 5313.4827561591. The cubic root of 28233099 is about 304.4992194242.

The spelling of 28233099 in words is "twenty-eight million, two hundred thirty-three thousand, ninety-nine".

Divisors: 1 3 9 79 237 711 39709 119127 357381 3137011 9411033 28233099