Search a number
-
+
88830385 = 572536841
BaseRepresentation
bin1010100101101…
…11000110110001
320012011001101021
411102313012301
5140220033020
612451535441
72126021500
oct522670661
9205131337
1088830385
1146162646
12258ba581
1315532777
14bb24837
157bea1aa
hex54b71b1

88830385 has 24 divisors (see below), whose sum is σ = 126358056. Its totient is φ = 59754240.

The previous prime is 88830359. The next prime is 88830397. The reversal of 88830385 is 58303888.

It can be written as a sum of positive squares in 4 ways, for example, as 26040609 + 62789776 = 5103^2 + 7924^2 .

It is not a de Polignac number, because 88830385 - 25 = 88830353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9565 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (5264919).

Almost surely, 288830385 is an apocalyptic number.

It is an amenable number.

88830385 is a deficient number, since it is larger than the sum of its proper divisors (37527671).

88830385 is a wasteful number, since it uses less digits than its factorization.

88830385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913 (or 6906 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 88830385 is about 9424.9872678959. The cubic root of 88830385 is about 446.1907008223.

The spelling of 88830385 in words is "eighty-eight million, eight hundred thirty thousand, three hundred eighty-five".

Divisors: 1 5 7 35 49 53 245 265 371 1855 2597 6841 12985 34205 47887 239435 335209 362573 1676045 1812865 2538011 12690055 17766077 88830385