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80230244 = 22139144299
BaseRepresentation
bin1001100100000…
…11011101100100
312120222010012112
410302003131210
5131014331434
611543340152
71662642263
oct462033544
9176863175
1080230244
1141319196
1222a51658
1313811123
14a9265da
15709bdce
hex4c83764

80230244 has 12 divisors (see below), whose sum is σ = 141414000. Its totient is φ = 39826248.

The previous prime is 80230243. The next prime is 80230253. The reversal of 80230244 is 44203208.

It is not an unprimeable number, because it can be changed into a prime (80230243) 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, 71594 + ... + 72705.

It is an arithmetic number, because the mean of its divisors is an integer number (11784500).

Almost surely, 280230244 is an apocalyptic number.

It is an amenable number.

80230244 is a deficient number, since it is larger than the sum of its proper divisors (61183756).

80230244 is a wasteful number, since it uses less digits than its factorization.

80230244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144442 (or 144440 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 80230244 is about 8957.1336933195. The cubic root of 80230244 is about 431.2999134554.

The spelling of 80230244 in words is "eighty million, two hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 4 139 278 556 144299 288598 577196 20057561 40115122 80230244