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28741936 = 247125301
BaseRepresentation
bin110110110100…
…1000100110000
32000002020112011
41231221010300
524324220221
62504012304
7466205506
oct155510460
960066464
1028741936
1115251273
129761094
135c54482
143b62676
1527cb1e1
hex1b69130

28741936 has 20 divisors (see below), whose sum is σ = 56474064. Its totient is φ = 14168000.

The previous prime is 28741913. The next prime is 28741981. The reversal of 28741936 is 63914782.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11515 + ... + 13786.

Almost surely, 228741936 is an apocalyptic number.

It is an amenable number.

28741936 is a deficient number, since it is larger than the sum of its proper divisors (27732128).

28741936 is a wasteful number, since it uses less digits than its factorization.

28741936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25380 (or 25374 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 28741936 is about 5361.1506227675. The cubic root of 28741936 is about 306.3176390375.

The spelling of 28741936 in words is "twenty-eight million, seven hundred forty-one thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 71 142 284 568 1136 25301 50602 101204 202408 404816 1796371 3592742 7185484 14370968 28741936