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28332934 = 2719710273
BaseRepresentation
bin110110000010…
…1001110000110
31222022110110221
41230011032012
524223123214
62451134554
7462553210
oct154051606
958273427
1028332934
1114aa1a53
1295a445a
135b40266
143a975b0
152749e24
hex1b05386

28332934 has 16 divisors (see below), whose sum is σ = 48822048. Its totient is φ = 12079872.

The previous prime is 28332929. The next prime is 28332937. The reversal of 28332934 is 43923382.

It is a self number, because there is not a number n which added to its sum of digits gives 28332934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28332937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (3051378).

Almost surely, 228332934 is an apocalyptic number.

28332934 is a deficient number, since it is larger than the sum of its proper divisors (20489114).

28332934 is a wasteful number, since it uses less digits than its factorization.

28332934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479.

The product of its digits is 31104, while the sum is 34.

The square root of 28332934 is about 5322.8689632566. The cubic root of 28332934 is about 304.8577102121.

The spelling of 28332934 in words is "twenty-eight million, three hundred thirty-two thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 197 394 1379 2758 10273 20546 71911 143822 2023781 4047562 14166467 28332934