Search a number
-
+
88972885 = 5591092767
BaseRepresentation
bin1010100110110…
…01111001010101
320012102021212001
411103121321111
5140234113020
612454555301
72130154111
oct523317125
9205367761
1088972885
114624a711
1225968b31
13155825a1
14bb60741
157c2750a
hex54d9e55

88972885 has 16 divisors (see below), whose sum is σ = 109612800. Its totient is φ = 69304896.

The previous prime is 88972879. The next prime is 88972889. The reversal of 88972885 is 58827988.

It is a cyclic number.

It is not a de Polignac number, because 88972885 - 25 = 88972853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88972889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30772 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (6850800).

Almost surely, 288972885 is an apocalyptic number.

It is an amenable number.

88972885 is a deficient number, since it is larger than the sum of its proper divisors (20639915).

88972885 is a wasteful number, since it uses less digits than its factorization.

88972885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its digits is 2580480, while the sum is 55.

The square root of 88972885 is about 9432.5439304569. The cubic root of 88972885 is about 446.4291635436.

The spelling of 88972885 in words is "eighty-eight million, nine hundred seventy-two thousand, eight hundred eighty-five".

Divisors: 1 5 59 109 295 545 2767 6431 13835 32155 163253 301603 816265 1508015 17794577 88972885