Search a number
-
+
30303136 = 257911987
BaseRepresentation
bin111001110011…
…0001110100000
32010000120002101
41303212032200
530224200021
63001300144
7515400223
oct163461640
963016071
1030303136
1116118216
12a194654
13637cc66
14404b5ba
1529d8a91
hex1ce63a0

30303136 has 24 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 14958528.

The previous prime is 30303113. The next prime is 30303137. The reversal of 30303136 is 63130303.

It is not an unprimeable number, because it can be changed into a prime (30303137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466 + ... + 8521.

It is an arithmetic number, because the mean of its divisors is an integer number (2517480).

Almost surely, 230303136 is an apocalyptic number.

It is an amenable number.

30303136 is a deficient number, since it is larger than the sum of its proper divisors (30116384).

30303136 is a wasteful number, since it uses less digits than its factorization.

30303136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076 (or 12068 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 30303136 is about 5504.8284260275. The cubic root of 30303136 is about 311.7663163613.

Adding to 30303136 its reverse (63130303), we get a palindrome (93433439).

The spelling of 30303136 in words is "thirty million, three hundred three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 79 158 316 632 1264 2528 11987 23974 47948 95896 191792 383584 946973 1893946 3787892 7575784 15151568 30303136