Search a number
-
+
88289139 = 371414503
BaseRepresentation
bin1010100001100…
…10111101110011
320011010112221010
411100302331303
5140100223024
612432202003
72121305511
oct520627563
9204115833
1088289139
1145922a34
1225699303
13153a32c3
14ba234b1
157b3eb29
hex5432f73

88289139 has 8 divisors (see below), whose sum is σ = 119377152. Its totient is φ = 58030280.

The previous prime is 88289129. The next prime is 88289167. The reversal of 88289139 is 93198288.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88289139 - 27 = 88289011 is a prime.

It is a super-2 number, since 2×882891392 = 15589944130722642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88289119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207039 + ... + 207464.

It is an arithmetic number, because the mean of its divisors is an integer number (14922144).

Almost surely, 288289139 is an apocalyptic number.

88289139 is a deficient number, since it is larger than the sum of its proper divisors (31088013).

88289139 is a wasteful number, since it uses less digits than its factorization.

88289139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414577.

The product of its digits is 248832, while the sum is 48.

The square root of 88289139 is about 9396.2300418838. The cubic root of 88289139 is about 445.2826365914.

The spelling of 88289139 in words is "eighty-eight million, two hundred eighty-nine thousand, one hundred thirty-nine".

Divisors: 1 3 71 213 414503 1243509 29429713 88289139