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80298884 = 2220074721
BaseRepresentation
bin1001100100101…
…00001110000100
312121002121100202
410302110032010
5131024031014
611545030032
71663346351
oct462241604
9177077322
1080298884
1141365816
1222a85318
1313836443
14a943628
1570b23de
hex4c94384

80298884 has 6 divisors (see below), whose sum is σ = 140523054. Its totient is φ = 40149440.

The previous prime is 80298833. The next prime is 80298887. The reversal of 80298884 is 48889208.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 4120900 = 8728^2 + 2030^2 .

It is not an unprimeable number, because it can be changed into a prime (80298887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037357 + ... + 10037364.

It is an arithmetic number, because the mean of its divisors is an integer number (23420509).

Almost surely, 280298884 is an apocalyptic number.

It is an amenable number.

80298884 is a deficient number, since it is larger than the sum of its proper divisors (60224170).

80298884 is a wasteful number, since it uses less digits than its factorization.

80298884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074725 (or 20074723 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 80298884 is about 8960.9644570214. The cubic root of 80298884 is about 431.4228761771.

The spelling of 80298884 in words is "eighty million, two hundred ninety-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 20074721 40149442 80298884