Search a number
-
+
306802053 = 3324594621
BaseRepresentation
bin10010010010010…
…110110110000101
3210101022011022000
4102102112312011
51112020131203
650235455513
710413526425
oct2222266605
9711264260
10306802053
111481aaa18
12868b7599
134b73cb9c
142ca64485
151be044a3
hex12496d85

306802053 has 16 divisors (see below), whose sum is σ = 454804800. Its totient is φ = 204407280.

The previous prime is 306802031. The next prime is 306802103. The reversal of 306802053 is 350208603.

It is not a de Polignac number, because 306802053 - 210 = 306801029 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306802003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64083 + ... + 68703.

It is an arithmetic number, because the mean of its divisors is an integer number (28425300).

Almost surely, 2306802053 is an apocalyptic number.

It is an amenable number.

306802053 is a deficient number, since it is larger than the sum of its proper divisors (148002747).

306802053 is a wasteful number, since it uses less digits than its factorization.

306802053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 306802053 is about 17515.7658410930. The cubic root of 306802053 is about 674.4546508757.

The spelling of 306802053 in words is "three hundred six million, eight hundred two thousand, fifty-three".

Divisors: 1 3 9 27 2459 4621 7377 13863 22131 41589 66393 124767 11363039 34089117 102267351 306802053