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28853432 = 233606679
BaseRepresentation
bin110111000010…
…0010010111000
32000021220110122
41232010102320
524341302212
62510232412
7500151536
oct156042270
960256418
1028853432
1115318013
1297b5708
135c9314a
143b91156
1527ee272
hex1b844b8

28853432 has 8 divisors (see below), whose sum is σ = 54100200. Its totient is φ = 14426712.

The previous prime is 28853423. The next prime is 28853443. The reversal of 28853432 is 23435882.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28853392 and 28853401.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1803332 + ... + 1803347.

It is an arithmetic number, because the mean of its divisors is an integer number (6762525).

Almost surely, 228853432 is an apocalyptic number.

It is an amenable number.

28853432 is a deficient number, since it is larger than the sum of its proper divisors (25246768).

28853432 is a wasteful number, since it uses less digits than its factorization.

28853432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606685 (or 3606681 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 28853432 is about 5371.5390718117. The cubic root of 28853432 is about 306.7132180960.

The spelling of 28853432 in words is "twenty-eight million, eight hundred fifty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 3606679 7213358 14426716 28853432