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28853874 = 233776333
BaseRepresentation
bin110111000010…
…0011001110010
32000021221002000
41232010121302
524341310444
62510234430
7500153040
oct156043162
960257060
1028853874
1115318385
1297b5a16
135c933ca
143b91390
1527ee469
hex1b84672

28853874 has 32 divisors (see below), whose sum is σ = 73280640. Its totient is φ = 8243856.

The previous prime is 28853857. The next prime is 28853887. The reversal of 28853874 is 47835882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37789 + ... + 38544.

It is an arithmetic number, because the mean of its divisors is an integer number (2290020).

Almost surely, 228853874 is an apocalyptic number.

28853874 is an abundant number, since it is smaller than the sum of its proper divisors (44426766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28853874 is a wasteful number, since it uses less digits than its factorization.

28853874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76351 (or 76345 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 28853874 is about 5371.5802144248. The cubic root of 28853874 is about 306.7147842477.

The spelling of 28853874 in words is "twenty-eight million, eight hundred fifty-three thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 76333 152666 228999 457998 534331 686997 1068662 1373994 1602993 2060991 3205986 4121982 4808979 9617958 14426937 28853874