Search a number
-
+
153006979 = 318096101
BaseRepresentation
bin10010001111010…
…11001110000011
3101122220120010011
421013223032003
5303132210404
623103245351
73535352326
oct1107531603
9348816104
10153006979
1179406454
12432a9857
1325912798
141646c7bd
15d675604
hex91eb383

153006979 has 8 divisors (see below), whose sum is σ = 158163840. Its totient is φ = 147864000.

The previous prime is 153006947. The next prime is 153006989. The reversal of 153006979 is 979600351.

153006979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 153006979 - 25 = 153006947 is a prime.

It is a super-2 number, since 2×1530069792 = 46822271245412882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153006989) 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, 22029 + ... + 28129.

It is an arithmetic number, because the mean of its divisors is an integer number (19770480).

Almost surely, 2153006979 is an apocalyptic number.

153006979 is a deficient number, since it is larger than the sum of its proper divisors (5156861).

153006979 is an equidigital number, since it uses as much as digits as its factorization.

153006979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 153006979 is about 12369.5989829905. The cubic root of 153006979 is about 534.8562562553.

The spelling of 153006979 in words is "one hundred fifty-three million, six thousand, nine hundred seventy-nine".

Divisors: 1 31 809 6101 25079 189131 4935709 153006979