Search a number
-
+
69228688 = 246764579
BaseRepresentation
bin1000010000001…
…01100010010000
311211021011220111
410020011202100
5120210304223
610511451104
71500301624
oct410054220
9154234814
1069228688
11360945a1
121b226a94
131145b729
1492a1184
15612730d
hex4205890

69228688 has 20 divisors (see below), whose sum is σ = 136134640. Its totient is φ = 34097184.

The previous prime is 69228683. The next prime is 69228707. The reversal of 69228688 is 88682296.

It is a super-2 number, since 2×692286882 = 9585222484402688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69228683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31218 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (6806732).

Almost surely, 269228688 is an apocalyptic number.

It is an amenable number.

69228688 is a deficient number, since it is larger than the sum of its proper divisors (66905952).

69228688 is a wasteful number, since it uses less digits than its factorization.

69228688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64654 (or 64648 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 69228688 is about 8320.3778760342. The cubic root of 69228688 is about 410.6092231922.

The spelling of 69228688 in words is "sixty-nine million, two hundred twenty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 67 134 268 536 1072 64579 129158 258316 516632 1033264 4326793 8653586 17307172 34614344 69228688