Search a number
-
+
69028030 = 256902803
BaseRepresentation
bin1000001110101…
…00100010111110
311210212222122201
410013110202332
5120132344110
610503302114
71465504621
oct407244276
9153788581
1069028030
1135a67865
121b14a93a
13113bb2b6
14924bdb8
1560d7b3a
hex41d48be

69028030 has 8 divisors (see below), whose sum is σ = 124250472. Its totient is φ = 27611208.

The previous prime is 69028021. The next prime is 69028039. The reversal of 69028030 is 3082096.

It is an interprime number because it is at equal distance from previous prime (69028021) and next prime (69028039).

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

It is a self number, because there is not a number n which added to its sum of digits gives 69028030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69028039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451392 + ... + 3451411.

It is an arithmetic number, because the mean of its divisors is an integer number (15531309).

Almost surely, 269028030 is an apocalyptic number.

69028030 is a deficient number, since it is larger than the sum of its proper divisors (55222442).

69028030 is a wasteful number, since it uses less digits than its factorization.

69028030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902810.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 69028030 is about 8308.3108993345. The cubic root of 69028030 is about 410.2121250131.

The spelling of 69028030 in words is "sixty-nine million, twenty-eight thousand, thirty".

Divisors: 1 2 5 10 6902803 13805606 34514015 69028030