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80293199 = 729395533
BaseRepresentation
bin1001100100100…
…10110101001111
312121002022120012
410302102311033
5131023340244
611544543435
71663323650
oct462226517
9177068505
1080293199
1141361518
1222a81b7b
131383398c
14a941527
1570b089e
hex4c92d4f

80293199 has 8 divisors (see below), whose sum is σ = 94928160. Its totient is φ = 66449376.

The previous prime is 80293189. The next prime is 80293201. The reversal of 80293199 is 99139208.

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

It is not a de Polignac number, because 80293199 - 28 = 80292943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80293189) 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, 197564 + ... + 197969.

It is an arithmetic number, because the mean of its divisors is an integer number (11866020).

Almost surely, 280293199 is an apocalyptic number.

80293199 is a deficient number, since it is larger than the sum of its proper divisors (14634961).

80293199 is a wasteful number, since it uses less digits than its factorization.

80293199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395569.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 80293199 is about 8960.6472422476. The cubic root of 80293199 is about 431.4126946453.

The spelling of 80293199 in words is "eighty million, two hundred ninety-three thousand, one hundred ninety-nine".

Divisors: 1 7 29 203 395533 2768731 11470457 80293199