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80229253 = 1333718313
BaseRepresentation
bin1001100100000…
…11001110000101
312120222001211211
410302003032011
5131014314003
611543331421
71662636346
oct462031605
9176861754
1080229253
1141318475
1222a50b71
1313810840
14a9260cd
15709b96d
hex4c83385

80229253 has 8 divisors (see below), whose sum is σ = 86661848. Its totient is φ = 73833984.

The previous prime is 80229241. The next prime is 80229277. The reversal of 80229253 is 35292208.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 79977249 = 502^2 + 8943^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80229253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80229353) 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, 4776 + ... + 13537.

It is an arithmetic number, because the mean of its divisors is an integer number (10832731).

Almost surely, 280229253 is an apocalyptic number.

It is an amenable number.

80229253 is a deficient number, since it is larger than the sum of its proper divisors (6432595).

80229253 is a wasteful number, since it uses less digits than its factorization.

80229253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18663.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 80229253 is about 8957.0783741128. The cubic root of 80229253 is about 431.2981376497.

The spelling of 80229253 in words is "eighty million, two hundred twenty-nine thousand, two hundred fifty-three".

Divisors: 1 13 337 4381 18313 238069 6171481 80229253