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80230953 = 3112431241
BaseRepresentation
bin1001100100000…
…11101000101001
312120222011011210
410302003220221
5131014342303
611543343333
71662644325
oct462035051
9176864153
1080230953
1141319780
1222a51b49
131381154a
14a926985
15709c203
hex4c83a29

80230953 has 8 divisors (see below), whose sum is σ = 116699616. Its totient is φ = 48624800.

The previous prime is 80230951. The next prime is 80230961. The reversal of 80230953 is 35903208.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80230953 - 21 = 80230951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80230953.

It is not an unprimeable number, because it can be changed into a prime (80230951) 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 7 ways as a sum of consecutive naturals, for example, 1215588 + ... + 1215653.

It is an arithmetic number, because the mean of its divisors is an integer number (14587452).

Almost surely, 280230953 is an apocalyptic number.

It is an amenable number.

80230953 is a deficient number, since it is larger than the sum of its proper divisors (36468663).

80230953 is a wasteful number, since it uses less digits than its factorization.

80230953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431255.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 80230953 is about 8957.1732706251. The cubic root of 80230953 is about 431.3011839270.

The spelling of 80230953 in words is "eighty million, two hundred thirty thousand, nine hundred fifty-three".

Divisors: 1 3 11 33 2431241 7293723 26743651 80230953