Search a number
-
+
80230236 = 22319351887
BaseRepresentation
bin1001100100000…
…11011101011100
312120222010012020
410302003131130
5131014331421
611543340140
71662642252
oct462033534
9176863166
1080230236
1141319189
1222a51650
1313811118
14a9265d2
15709bdc6
hex4c8375c

80230236 has 24 divisors (see below), whose sum is σ = 197057280. Its totient is φ = 25335792.

The previous prime is 80230231. The next prime is 80230243. The reversal of 80230236 is 63203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80230231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175716 + ... + 176171.

It is an arithmetic number, because the mean of its divisors is an integer number (8210720).

Almost surely, 280230236 is an apocalyptic number.

It is an amenable number.

80230236 is an abundant number, since it is smaller than the sum of its proper divisors (116827044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80230236 is a wasteful number, since it uses less digits than its factorization.

80230236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351913 (or 351911 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 80230236 is about 8957.1332467481. The cubic root of 80230236 is about 431.2998991200.

The spelling of 80230236 in words is "eighty million, two hundred thirty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 351887 703774 1055661 1407548 2111322 4222644 6685853 13371706 20057559 26743412 40115118 80230236