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28711352 = 233588919
BaseRepresentation
bin110110110000…
…1100110111000
32000000200120102
41231201212320
524322230402
62503214532
7466020365
oct155414670
960020512
1028711352
111523029a
129747448
135c43587
143b5546c
1527c2102
hex1b619b8

28711352 has 8 divisors (see below), whose sum is σ = 53833800. Its totient is φ = 14355672.

The previous prime is 28711349. The next prime is 28711367. The reversal of 28711352 is 25311782.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1794452 + ... + 1794467.

It is an arithmetic number, because the mean of its divisors is an integer number (6729225).

Almost surely, 228711352 is an apocalyptic number.

It is an amenable number.

28711352 is a deficient number, since it is larger than the sum of its proper divisors (25122448).

28711352 is a wasteful number, since it uses less digits than its factorization.

28711352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588925 (or 3588921 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 28711352 is about 5358.2974908081. The cubic root of 28711352 is about 306.2089506552.

The spelling of 28711352 in words is "twenty-eight million, seven hundred eleven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 3588919 7177838 14355676 28711352