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8379245 = 572231487
BaseRepresentation
bin11111111101101101101101
3120202201011102
4133331231231
54121113440
6455332445
7131136200
oct37755555
916681142
108379245
1148034a6
122981125
131974c44
141181937
15b07b15
hex7fdb6d

8379245 has 24 divisors (see below), whose sum is σ = 12213504. Its totient is φ = 5492256.

The previous prime is 8379223. The next prime is 8379253. The reversal of 8379245 is 5429738.

8379245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8379245 - 28 = 8378989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8379199 and 8379208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4892 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

Almost surely, 28379245 is an apocalyptic number.

It is an amenable number.

8379245 is a deficient number, since it is larger than the sum of its proper divisors (3834259).

8379245 is a wasteful number, since it uses less digits than its factorization.

8379245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1522 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 8379245 is about 2894.6925570775. The cubic root of 8379245 is about 203.1117102153. Note that the first 3 decimals are identical.

The spelling of 8379245 in words is "eight million, three hundred seventy-nine thousand, two hundred forty-five".

Divisors: 1 5 7 23 35 49 115 161 245 805 1127 1487 5635 7435 10409 34201 52045 72863 171005 239407 364315 1197035 1675849 8379245