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80221394 = 2113646427
BaseRepresentation
bin1001100100000…
…01010011010010
312120221200001202
410302001103102
5131014041034
611543231202
71662604421
oct462012322
9176850052
1080221394
1141312580
1222a48502
131380a0a6
14a9232b8
15709947e
hex4c814d2

80221394 has 8 divisors (see below), whose sum is σ = 131271408. Its totient is φ = 36464260.

The previous prime is 80221381. The next prime is 80221399. The reversal of 80221394 is 49312208.

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

It is not an unprimeable number, because it can be changed into a prime (80221399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823192 + ... + 1823235.

It is an arithmetic number, because the mean of its divisors is an integer number (16408926).

Almost surely, 280221394 is an apocalyptic number.

80221394 is a deficient number, since it is larger than the sum of its proper divisors (51050014).

80221394 is a wasteful number, since it uses less digits than its factorization.

80221394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646440.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80221394 is about 8956.6396600511. The cubic root of 80221394 is about 431.2840543296.

The spelling of 80221394 in words is "eighty million, two hundred twenty-one thousand, three hundred ninety-four".

Divisors: 1 2 11 22 3646427 7292854 40110697 80221394