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80272248 = 2337477811
BaseRepresentation
bin1001100100011…
…01101101111000
312121001020211020
410302031231320
5131022202443
611544302440
71663205610
oct462155570
9177036736
1080272248
1141347801
1222a71a20
1313827294
14a937a40
1570a9583
hex4c8db78

80272248 has 32 divisors (see below), whose sum is σ = 229349760. Its totient is φ = 22934880.

The previous prime is 80272243. The next prime is 80272259. The reversal of 80272248 is 84227208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80272243) 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, 238738 + ... + 239073.

It is an arithmetic number, because the mean of its divisors is an integer number (7167180).

Almost surely, 280272248 is an apocalyptic number.

It is an amenable number.

80272248 is an abundant number, since it is smaller than the sum of its proper divisors (149077512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80272248 is a wasteful number, since it uses less digits than its factorization.

80272248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477827 (or 477823 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 80272248 is about 8959.4781098008. The cubic root of 80272248 is about 431.3751683718.

The spelling of 80272248 in words is "eighty million, two hundred seventy-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 477811 955622 1433433 1911244 2866866 3344677 3822488 5733732 6689354 10034031 11467464 13378708 20068062 26757416 40136124 80272248