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3978303 = 37389487
BaseRepresentation
bin1111001011010000111111
321111010012120
433023100333
52004301203
6221134023
745546360
oct17132077
97433176
103978303
112277a5a
1213ba313
13a93a34
14757b67
15538b53
hex3cb43f

3978303 has 16 divisors (see below), whose sum is σ = 6090240. Its totient is φ = 2262816.

The previous prime is 3978301. The next prime is 3978329. The reversal of 3978303 is 3038793.

It is not a de Polignac number, because 3978303 - 21 = 3978301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7926 + ... + 8412.

It is an arithmetic number, because the mean of its divisors is an integer number (380640).

Almost surely, 23978303 is an apocalyptic number.

3978303 is a deficient number, since it is larger than the sum of its proper divisors (2111937).

3978303 is a wasteful number, since it uses less digits than its factorization.

3978303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3978303 is about 1994.5683743607. The cubic root of 3978303 is about 158.4525693411.

The spelling of 3978303 in words is "three million, nine hundred seventy-eight thousand, three hundred three".

Divisors: 1 3 7 21 389 487 1167 1461 2723 3409 8169 10227 189443 568329 1326101 3978303