Search a number
-
+
88634887 = 1119142187
BaseRepresentation
bin1010100100001…
…11011000000111
320011210010012121
411102013120013
5140142304022
612443430411
72124245515
oct522073007
9204703177
1088634887
1146039780
1225825407
13154947a3
14bab34b5
157bac2c7
hex5487607

88634887 has 8 divisors (see below), whose sum is σ = 97201152. Its totient is φ = 80153400.

The previous prime is 88634881. The next prime is 88634929. The reversal of 88634887 is 78843688.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88634887 is a prime.

It is a super-2 number, since 2×886348872 = 15712286387005538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88634881) 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, 18993 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (12150144).

Almost surely, 288634887 is an apocalyptic number.

88634887 is a deficient number, since it is larger than the sum of its proper divisors (8566265).

88634887 is a wasteful number, since it uses less digits than its factorization.

88634887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42389.

The product of its digits is 2064384, while the sum is 52.

The square root of 88634887 is about 9414.6102946431. The cubic root of 88634887 is about 445.8631347554.

The spelling of 88634887 in words is "eighty-eight million, six hundred thirty-four thousand, eight hundred eighty-seven".

Divisors: 1 11 191 2101 42187 464057 8057717 88634887