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80203495 = 516040699
BaseRepresentation
bin1001100011111…
…00111011100111
312120220202111211
410301330323213
5131013002440
611543012251
71662501301
oct461747347
9176822454
1080203495
1141300089
1222a3a087
1313801bb8
14a91a971
157093eea
hex4c7cee7

80203495 has 4 divisors (see below), whose sum is σ = 96244200. Its totient is φ = 64162792.

The previous prime is 80203483. The next prime is 80203547. The reversal of 80203495 is 59430208.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80203495 - 211 = 80201447 is a prime.

It is a super-2 number, since 2×802034952 = 12865201220430050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8020345 + ... + 8020354.

It is an arithmetic number, because the mean of its divisors is an integer number (24061050).

Almost surely, 280203495 is an apocalyptic number.

80203495 is a deficient number, since it is larger than the sum of its proper divisors (16040705).

80203495 is a wasteful number, since it uses less digits than its factorization.

80203495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040704.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 80203495 is about 8955.6404014453. The cubic root of 80203495 is about 431.2519759064.

The spelling of 80203495 in words is "eighty million, two hundred three thousand, four hundred ninety-five".

Divisors: 1 5 16040699 80203495