[go: up one dir, main page]

Search a number
-
+
1530351333 = 33719426163
BaseRepresentation
bin101101100110111…
…0100111011100101
310221122121220101000
41123031310323211
511113232220313
6411504423513
752631525460
oct13315647345
93848556330
101530351333
11715930675
12368617b99
131b508b144
141073642d7
158e542673
hex5b374ee5

1530351333 has 32 divisors (see below), whose sum is σ = 2727449600. Its totient is φ = 828458928.

The previous prime is 1530351331. The next prime is 1530351359. The reversal of 1530351333 is 3331530351.

It is a happy number.

It is not a de Polignac number, because 1530351333 - 21 = 1530351331 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1530351297 and 1530351306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530351331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209491 + ... + 216672.

It is an arithmetic number, because the mean of its divisors is an integer number (85232800).

Almost surely, 21530351333 is an apocalyptic number.

It is an amenable number.

1530351333 is a deficient number, since it is larger than the sum of its proper divisors (1197098267).

1530351333 is a wasteful number, since it uses less digits than its factorization.

1530351333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426198 (or 426192 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 27.

The square root of 1530351333 is about 39119.7051752694. The cubic root of 1530351333 is about 1152.3835460621.

Adding to 1530351333 its reverse (3331530351), we get a palindrome (4861881684).

The spelling of 1530351333 in words is "one billion, five hundred thirty million, three hundred fifty-one thousand, three hundred thirty-three".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 399 513 1197 3591 426163 1278489 2983141 3835467 8097097 8949423 11506401 24291291 26848269 56679679 72873873 80544807 170039037 218621619 510117111 1530351333