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28882077 = 371375337
BaseRepresentation
bin110111000101…
…1010010011101
32000100100202120
41232023102131
524343211302
62511013153
7500331210
oct156132235
960310676
1028882077
1115337594
12980a1b9
135ca31b3
143b9b777
1528079bc
hex1b8b49d

28882077 has 8 divisors (see below), whose sum is σ = 44010816. Its totient is φ = 16504032.

The previous prime is 28882069. The next prime is 28882103. The reversal of 28882077 is 77028882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28882077 - 23 = 28882069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687648 + ... + 687689.

It is an arithmetic number, because the mean of its divisors is an integer number (5501352).

Almost surely, 228882077 is an apocalyptic number.

It is an amenable number.

28882077 is a deficient number, since it is larger than the sum of its proper divisors (15128739).

28882077 is a wasteful number, since it uses less digits than its factorization.

28882077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375347.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 28882077 is about 5374.2047783835. The cubic root of 28882077 is about 306.8146837182.

The spelling of 28882077 in words is "twenty-eight million, eight hundred eighty-two thousand, seventy-seven".

Divisors: 1 3 7 21 1375337 4126011 9627359 28882077