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7872803 is a prime number
BaseRepresentation
bin11110000010000100100011
3112210222110022
4132002010203
54003412203
6440424055
7123626531
oct36020443
915728408
107872803
114497a54
12277802b
131828583
14108d151
15a57a38
hex782123

7872803 has 2 divisors, whose sum is σ = 7872804. Its totient is φ = 7872802.

The previous prime is 7872797. The next prime is 7872817. The reversal of 7872803 is 3082787.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7872803 - 210 = 7871779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7872863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936401 + 3936402.

It is an arithmetic number, because the mean of its divisors is an integer number (3936402).

Almost surely, 27872803 is an apocalyptic number.

7872803 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872803 is an equidigital number, since it uses as much as digits as its factorization.

7872803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 7872803 is about 2805.8515641423. The cubic root of 7872803 is about 198.9343571106.

The spelling of 7872803 in words is "seven million, eight hundred seventy-two thousand, eight hundred three".