Search a number
-
+
305452038 = 23532394019
BaseRepresentation
bin10010001101001…
…101010000000110
3210021202120102110
4102031031100012
51111143431123
650150521450
710366204503
oct2215152006
9707676373
10305452038
11147468701
1286366286
134b389568
142c7d24aa
151bc39493
hex1234d406

305452038 has 32 divisors (see below), whose sum is σ = 625190400. Its totient is φ = 99453536.

The previous prime is 305452031. The next prime is 305452061. The reversal of 305452038 is 830254503.

305452038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 305451996 and 305452014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305452031) 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, 73993 + ... + 78011.

It is an arithmetic number, because the mean of its divisors is an integer number (19537200).

Almost surely, 2305452038 is an apocalyptic number.

305452038 is an abundant number, since it is smaller than the sum of its proper divisors (319738362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305452038 is a wasteful number, since it uses less digits than its factorization.

305452038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 305452038 is about 17477.1862151778. The cubic root of 305452038 is about 673.4639331571.

The spelling of 305452038 in words is "three hundred five million, four hundred fifty-two thousand, thirty-eight".

Divisors: 1 2 3 6 53 106 159 239 318 478 717 1434 4019 8038 12057 12667 24114 25334 38001 76002 213007 426014 639021 960541 1278042 1921082 2881623 5763246 50908673 101817346 152726019 305452038