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28715350 = 252574307
BaseRepresentation
bin110110110001…
…0100101010110
32000000220001111
41231202211112
524322342400
62503245234
7466035136
oct155424526
960026044
1028715350
11152332a4
12974981a
135c45341
143b56ac6
1527c33ba
hex1b62956

28715350 has 12 divisors (see below), whose sum is σ = 53410644. Its totient is φ = 11486120.

The previous prime is 28715341. The next prime is 28715377. The reversal of 28715350 is 5351782.

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 in 5 ways as a sum of consecutive naturals, for example, 287104 + ... + 287203.

It is an arithmetic number, because the mean of its divisors is an integer number (4450887).

Almost surely, 228715350 is an apocalyptic number.

28715350 is a deficient number, since it is larger than the sum of its proper divisors (24695294).

28715350 is a wasteful number, since it uses less digits than its factorization.

28715350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574319 (or 574314 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 28715350 is about 5358.6705440809. The cubic root of 28715350 is about 306.2231629961.

The spelling of 28715350 in words is "twenty-eight million, seven hundred fifteen thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 574307 1148614 2871535 5743070 14357675 28715350