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80234915 = 5122313121
BaseRepresentation
bin1001100100001…
…00100110100011
312120222100121112
410302010212203
5131020004130
611543413535
71662662015
oct462044643
9176870545
1080234915
1141321752
1222a542ab
13138132a7
14a9281b5
15709d495
hex4c849a3

80234915 has 8 divisors (see below), whose sum is σ = 96367968. Its totient is φ = 64130560.

The previous prime is 80234857. The next prime is 80234923. The reversal of 80234915 is 51943208.

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

It is not a de Polignac number, because 80234915 - 214 = 80218531 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 446 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (12045996).

Almost surely, 280234915 is an apocalyptic number.

80234915 is a deficient number, since it is larger than the sum of its proper divisors (16133053).

80234915 is a wasteful number, since it uses less digits than its factorization.

80234915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 80234915 is about 8957.3944314181. The cubic root of 80234915 is about 431.3082833780.

The spelling of 80234915 in words is "eighty million, two hundred thirty-four thousand, nine hundred fifteen".

Divisors: 1 5 1223 6115 13121 65605 16046983 80234915