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80625341 = 194243439
BaseRepresentation
bin1001100111000…
…11111010111101
312121201012011202
410303203322331
5131120002331
612000025245
71666206206
oct463437275
9177635152
1080625341
1141569015
1223002225
131391bc04
14a9ca5ad
157128ecb
hex4ce3ebd

80625341 has 4 divisors (see below), whose sum is σ = 84868800. Its totient is φ = 76381884.

The previous prime is 80625323. The next prime is 80625343. The reversal of 80625341 is 14352608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80625341 - 218 = 80363197 is a prime.

It is a super-2 number, since 2×806253412 = 13000891222732562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80625343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121701 + ... + 2121738.

It is an arithmetic number, because the mean of its divisors is an integer number (21217200).

Almost surely, 280625341 is an apocalyptic number.

It is an amenable number.

80625341 is a deficient number, since it is larger than the sum of its proper divisors (4243459).

80625341 is a wasteful number, since it uses less digits than its factorization.

80625341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243458.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 80625341 is about 8979.1614864641. The cubic root of 80625341 is about 432.0067389352.

Adding to 80625341 its reverse (14352608), we get a palindrome (94977949).

The spelling of 80625341 in words is "eighty million, six hundred twenty-five thousand, three hundred forty-one".

Divisors: 1 19 4243439 80625341