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8920401 = 3738669
BaseRepresentation
bin100010000001…
…110101010001
3121210012111020
4202001311101
54240423101
6515110053
7135552000
oct42016521
917705436
108920401
115043036
122ba2329
131b04359
141282c37
15bb3136
hex881d51

8920401 has 16 divisors (see below), whose sum is σ = 13872000. Its totient is φ = 5096784.

The previous prime is 8920391. The next prime is 8920403. The reversal of 8920401 is 1040298.

It is not a de Polignac number, because 8920401 - 26 = 8920337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8920403) 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, 3306 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (867000).

Almost surely, 28920401 is an apocalyptic number.

It is an amenable number.

8920401 is a deficient number, since it is larger than the sum of its proper divisors (4951599).

8920401 is an equidigital number, since it uses as much as digits as its factorization.

8920401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693 (or 8679 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8920401 is about 2986.7040362245. The cubic root of 8920401 is about 207.3933336708.

Adding to 8920401 its reverse (1040298), we get a palindrome (9960699).

The spelling of 8920401 in words is "eight million, nine hundred twenty thousand, four hundred one".

Divisors: 1 3 7 21 49 147 343 1029 8669 26007 60683 182049 424781 1274343 2973467 8920401