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80075252 = 2237541049
BaseRepresentation
bin1001100010111…
…01100111110100
312120200020121002
410301131213310
5130444402002
611540142432
71661425355
oct461354764
9176606532
1080075252
11412227a4
1222997a18
131378870a
14a8c5d2c
15706b002
hex4c5d9f4

80075252 has 12 divisors (see below), whose sum is σ = 143919300. Its totient is φ = 38955456.

The previous prime is 80075243. The next prime is 80075257. The reversal of 80075252 is 25257008.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 21031396 = 7684^2 + 4586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80075257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270377 + ... + 270672.

It is an arithmetic number, because the mean of its divisors is an integer number (11993275).

Almost surely, 280075252 is an apocalyptic number.

It is an amenable number.

80075252 is a deficient number, since it is larger than the sum of its proper divisors (63844048).

80075252 is a wasteful number, since it uses less digits than its factorization.

80075252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541090 (or 541088 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 80075252 is about 8948.4776358887. The cubic root of 80075252 is about 431.0220002659.

The spelling of 80075252 in words is "eighty million, seventy-five thousand, two hundred fifty-two".

Divisors: 1 2 4 37 74 148 541049 1082098 2164196 20018813 40037626 80075252