Search a number
-
+
30254337 = 332938639
BaseRepresentation
bin111001101101…
…0010100000001
32002221002011000
41303122110001
530221114322
63000242213
7515105031
oct163322401
962832130
1030254337
1116094593
12a170369
136363999
1440378c1
1529c93ac
hex1cda501

30254337 has 16 divisors (see below), whose sum is σ = 46368000. Its totient is φ = 19473552.

The previous prime is 30254311. The next prime is 30254359. The reversal of 30254337 is 73345203.

It is not a de Polignac number, because 30254337 - 219 = 29730049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30254337.

It is not an unprimeable number, because it can be changed into a prime (30254377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18537 + ... + 20102.

It is an arithmetic number, because the mean of its divisors is an integer number (2898000).

Almost surely, 230254337 is an apocalyptic number.

It is an amenable number.

30254337 is a deficient number, since it is larger than the sum of its proper divisors (16113663).

30254337 is a wasteful number, since it uses less digits than its factorization.

30254337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677 (or 38671 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 30254337 is about 5500.3942585964. The cubic root of 30254337 is about 311.5988743029.

The spelling of 30254337 in words is "thirty million, two hundred fifty-four thousand, three hundred thirty-seven".

Divisors: 1 3 9 27 29 87 261 783 38639 115917 347751 1043253 1120531 3361593 10084779 30254337