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80741998 = 265961261
BaseRepresentation
bin1001101000000…
…00011001101110
312121221010012101
410310000121232
5131132220443
612002325314
72000203261
oct464003156
9177833171
1080741998
1141638727
122305983a
131396003c
14aa1acd8
15714d84d
hex4d0066e

80741998 has 8 divisors (see below), whose sum is σ = 121298760. Its totient is φ = 40309080.

The previous prime is 80741977. The next prime is 80742019. The reversal of 80741998 is 89914708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80741977) and next prime (80742019).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29313 + ... + 31948.

It is an arithmetic number, because the mean of its divisors is an integer number (15162345).

Almost surely, 280741998 is an apocalyptic number.

80741998 is a deficient number, since it is larger than the sum of its proper divisors (40556762).

80741998 is a wasteful number, since it uses less digits than its factorization.

80741998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61922.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 80741998 is about 8985.6551235845. The cubic root of 80741998 is about 432.2149957220.

The spelling of 80741998 in words is "eighty million, seven hundred forty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 659 1318 61261 122522 40370999 80741998