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80274284 = 22152313177
BaseRepresentation
bin1001100100011…
…10001101101100
312121001100121122
410302032031230
5131022234114
611544320112
71663214546
oct462161554
9177040548
1080274284
1141349292
1222a73038
131382819c
14a938696
1570a9e8e
hex4c8e36c

80274284 has 12 divisors (see below), whose sum is σ = 140582904. Its totient is φ = 40107744.

The previous prime is 80274263. The next prime is 80274319. The reversal of 80274284 is 48247208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (11715242).

Almost surely, 280274284 is an apocalyptic number.

It is an amenable number.

80274284 is a deficient number, since it is larger than the sum of its proper divisors (60308620).

80274284 is a wasteful number, since it uses less digits than its factorization.

80274284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704 (or 14702 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 80274284 is about 8959.5917317699. The cubic root of 80274284 is about 431.3788154289.

The spelling of 80274284 in words is "eighty million, two hundred seventy-four thousand, two hundred eighty-four".

Divisors: 1 2 4 1523 3046 6092 13177 26354 52708 20068571 40137142 80274284