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28495604 = 2217419053
BaseRepresentation
bin110110010110…
…0111011110100
31222121201121202
41230230323310
524243324404
62454432032
7464131364
oct154547364
958551552
1028495604
11150a3195
129662618
135b99307
143ada9a4
15277d21e
hex1b2cef4

28495604 has 12 divisors (see below), whose sum is σ = 52800804. Its totient is φ = 13409664.

The previous prime is 28495591. The next prime is 28495613. The reversal of 28495604 is 40659482.

It can be written as a sum of positive squares in 2 ways, for example, as 24700900 + 3794704 = 4970^2 + 1948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209459 + ... + 209594.

It is an arithmetic number, because the mean of its divisors is an integer number (4400067).

Almost surely, 228495604 is an apocalyptic number.

It is an amenable number.

28495604 is a deficient number, since it is larger than the sum of its proper divisors (24305200).

28495604 is a wasteful number, since it uses less digits than its factorization.

28495604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419074 (or 419072 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 28495604 is about 5338.1273870150. The cubic root of 28495604 is about 305.4400313377.

The spelling of 28495604 in words is "twenty-eight million, four hundred ninety-five thousand, six hundred four".

Divisors: 1 2 4 17 34 68 419053 838106 1676212 7123901 14247802 28495604