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80251742 = 2371084483
BaseRepresentation
bin1001100100010…
…00101101011110
312121000012200202
410302020231132
5131021023432
611544023502
71663062044
oct462105536
9177005622
1080251742
114133335a
1222a61b92
131381ab4c
14a930394
1570a3462
hex4c88b5e

80251742 has 8 divisors (see below), whose sum is σ = 123631176. Its totient is φ = 39041352.

The previous prime is 80251739. The next prime is 80251751. The reversal of 80251742 is 24715208.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542168 + ... + 542315.

It is an arithmetic number, because the mean of its divisors is an integer number (15453897).

Almost surely, 280251742 is an apocalyptic number.

80251742 is a deficient number, since it is larger than the sum of its proper divisors (43379434).

80251742 is a wasteful number, since it uses less digits than its factorization.

80251742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084522.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 80251742 is about 8958.3336620155. Note that the first 3 decimals coincide. The cubic root of 80251742 is about 431.3384328343.

The spelling of 80251742 in words is "eighty million, two hundred fifty-one thousand, seven hundred forty-two".

Divisors: 1 2 37 74 1084483 2168966 40125871 80251742