Search a number
-
+
304402053 = 3107948293
BaseRepresentation
bin10010001001001…
…100111010000101
3210012210020010010
4102021030322011
51110411331203
650112220433
710354242354
oct2211147205
9705706103
10304402053
1114691084a
1285b3a719
134b0ac677
142c5db99b
151bacd303
hex1224ce85

304402053 has 8 divisors (see below), whose sum is σ = 409663008. Its totient is φ = 201037904.

The previous prime is 304402027. The next prime is 304402061. The reversal of 304402053 is 350204403.

It is a happy number.

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 304402053 - 210 = 304401029 is a prime.

It is a super-2 number, since 2×3044020532 = 185321219741229618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304402013) 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, 473826 + ... + 474467.

It is an arithmetic number, because the mean of its divisors is an integer number (51207876).

Almost surely, 2304402053 is an apocalyptic number.

It is an amenable number.

304402053 is a deficient number, since it is larger than the sum of its proper divisors (105260955).

304402053 is a wasteful number, since it uses less digits than its factorization.

304402053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948403.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 304402053 is about 17447.1216250704. The cubic root of 304402053 is about 672.6913745276.

Adding to 304402053 its reverse (350204403), we get a palindrome (654606456).

The spelling of 304402053 in words is "three hundred four million, four hundred two thousand, fifty-three".

Divisors: 1 3 107 321 948293 2844879 101467351 304402053