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80132225 = 523205289
BaseRepresentation
bin1001100011010…
…11100010000001
312120210010202012
410301223202001
5131003212400
611541302305
71662053435
oct461534201
9176703665
1080132225
1141261588
1222a04995
13137a8624
14a8dc9c5
15707cd35
hex4c6b881

80132225 has 6 divisors (see below), whose sum is σ = 99363990. Its totient is φ = 64105760.

The previous prime is 80132189. The next prime is 80132243. The reversal of 80132225 is 52223108.

It can be written as a sum of positive squares in 3 ways, for example, as 440896 + 79691329 = 664^2 + 8927^2 .

It is not a de Polignac number, because 80132225 - 224 = 63355009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80132225.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1602620 + ... + 1602669.

It is an arithmetic number, because the mean of its divisors is an integer number (16560665).

Almost surely, 280132225 is an apocalyptic number.

It is an amenable number.

80132225 is a deficient number, since it is larger than the sum of its proper divisors (19231765).

80132225 is a wasteful number, since it uses less digits than its factorization.

80132225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205299 (or 3205294 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80132225 is about 8951.6604604956. The cubic root of 80132225 is about 431.1241991107.

The spelling of 80132225 in words is "eighty million, one hundred thirty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 3205289 16026445 80132225