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80440203 = 328394747
BaseRepresentation
bin1001100101101…
…10101110001011
312121100210012210
410302312232023
5131043041303
611552040203
71664505354
oct462665613
9177323183
1080440203
1141451a08
1222b33063
131388586c
14a97cd2b
1570de203
hex4cb6b8b

80440203 has 8 divisors (see below), whose sum is σ = 107633728. Its totient is φ = 53436744.

The previous prime is 80440193. The next prime is 80440207. The reversal of 80440203 is 30204408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80440203 - 29 = 80439691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80440203.

It is not an unprimeable number, because it can be changed into a prime (80440207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46525 + ... + 48222.

It is an arithmetic number, because the mean of its divisors is an integer number (13454216).

Almost surely, 280440203 is an apocalyptic number.

80440203 is a deficient number, since it is larger than the sum of its proper divisors (27193525).

80440203 is a wasteful number, since it uses less digits than its factorization.

80440203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95033.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 80440203 is about 8968.8462468703. The cubic root of 80440203 is about 431.6758166709.

The spelling of 80440203 in words is "eighty million, four hundred forty thousand, two hundred three".

Divisors: 1 3 283 849 94747 284241 26813401 80440203