Search a number
-
+
89393072 = 2417328651
BaseRepresentation
bin1010101010000…
…00011110110000
320020012122020112
411111000132300
5140341034242
612512000452
72133554126
oct525003660
9206178215
1089393072
114650737a
1225b30128
131569b912
14bc2d916
157cabc82
hex55407b0

89393072 has 20 divisors (see below), whose sum is σ = 183387816. Its totient is φ = 42067200.

The previous prime is 89393071. The next prime is 89393149. The reversal of 89393072 is 27039398.

It is a super-2 number, since 2×893930722 = 15982242643194368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89393071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 164054 + ... + 164597.

Almost surely, 289393072 is an apocalyptic number.

It is an amenable number.

89393072 is an abundant number, since it is smaller than the sum of its proper divisors (93994744).

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

89393072 is a wasteful number, since it uses less digits than its factorization.

89393072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328676 (or 328670 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 89393072 is about 9454.7909548546. The cubic root of 89393072 is about 447.1308350188.

The spelling of 89393072 in words is "eighty-nine million, three hundred ninety-three thousand, seventy-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 328651 657302 1314604 2629208 5258416 5587067 11174134 22348268 44696536 89393072