Search a number
-
+
89930568 = 23371341177
BaseRepresentation
bin1010101110000…
…11101101001000
320021012221112210
411113003231020
5141010234233
612531305120
72141253150
oct527035510
9207187483
1089930568
1146844192
122614b1a0
1315829470
14bd2d760
157d66163
hex55c3b48

89930568 has 64 divisors (see below), whose sum is σ = 276716160. Its totient is φ = 23717376.

The previous prime is 89930567. The next prime is 89930651. The reversal of 89930568 is 86503998.

It is not an unprimeable number, because it can be changed into a prime (89930563) 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 15 ways as a sum of consecutive naturals, for example, 18405 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (4323690).

Almost surely, 289930568 is an apocalyptic number.

It is an amenable number.

89930568 is an abundant number, since it is smaller than the sum of its proper divisors (186785592).

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

89930568 is a wasteful number, since it uses less digits than its factorization.

89930568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41206 (or 41202 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 89930568 is about 9483.1728867505. The cubic root of 89930568 is about 448.0252031952.

The spelling of 89930568 in words is "eighty-nine million, nine hundred thirty thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 41177 82354 123531 164708 247062 288239 329416 494124 535301 576478 864717 988248 1070602 1152956 1605903 1729434 2141204 2305912 3211806 3458868 3747107 4282408 6423612 6917736 7494214 11241321 12847224 14988428 22482642 29976856 44965284 89930568