Search a number
-
+
305252401 = 10113123071
BaseRepresentation
bin10010001100011…
…100100000110001
3210021101102120111
4102030130200301
51111121034101
650142341321
710364413456
oct2214344061
9707342514
10305252401
11147341713
128628a841
134b31972c
142c77d82d
151bbea251
hex1231c831

305252401 has 8 divisors (see below), whose sum is σ = 310641408. Its totient is φ = 299910000.

The previous prime is 305252393. The next prime is 305252411. The reversal of 305252401 is 104252503.

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 305252401 - 23 = 305252393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305252411) 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 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 24766.

It is an arithmetic number, because the mean of its divisors is an integer number (38830176).

Almost surely, 2305252401 is an apocalyptic number.

It is an amenable number.

305252401 is a deficient number, since it is larger than the sum of its proper divisors (5389007).

305252401 is a wasteful number, since it uses less digits than its factorization.

305252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23303.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 305252401 is about 17471.4739217961. The cubic root of 305252401 is about 673.3171805806.

The spelling of 305252401 in words is "three hundred five million, two hundred fifty-two thousand, four hundred one".

Divisors: 1 101 131 13231 23071 2330171 3022301 305252401