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80293001 = 671198403
BaseRepresentation
bin1001100100100…
…10110010001001
312121002022021212
410302102302021
5131023334001
611544542505
71663323245
oct462226211
9177068255
1080293001
1141361358
1222a81a35
1313833869
14a941425
1570b07bb
hex4c92c89

80293001 has 4 divisors (see below), whose sum is σ = 81491472. Its totient is φ = 79094532.

The previous prime is 80292991. The next prime is 80293013. The reversal of 80293001 is 10039208.

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 80293001 - 26 = 80292937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80293021) by changing a digit.

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, 599135 + ... + 599268.

It is an arithmetic number, because the mean of its divisors is an integer number (20372868).

Almost surely, 280293001 is an apocalyptic number.

It is an amenable number.

80293001 is a deficient number, since it is larger than the sum of its proper divisors (1198471).

80293001 is a wasteful number, since it uses less digits than its factorization.

80293001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198470.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 80293001 is about 8960.6361939318. The cubic root of 80293001 is about 431.4123400292.

The spelling of 80293001 in words is "eighty million, two hundred ninety-three thousand, one".

Divisors: 1 67 1198403 80293001