Search a number
-
+
30692486 = 21119101727
BaseRepresentation
bin111010100010…
…1010010000110
32010202100011202
41311011102012
530324124421
63013502502
7521611316
oct165052206
963670152
1030692486
11163637a0
12a341a32
136488246
14410d446
152a6410b
hex1d45486

30692486 has 32 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 13068000.

The previous prime is 30692483. The next prime is 30692491. The reversal of 30692486 is 68429603.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30692483) 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 15 ways as a sum of consecutive naturals, for example, 41855 + ... + 42581.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 230692486 is an apocalyptic number.

30692486 is a deficient number, since it is larger than the sum of its proper divisors (22771834).

30692486 is a wasteful number, since it uses less digits than its factorization.

30692486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 30692486 is about 5540.0799633218. The cubic root of 30692486 is about 313.0958819170.

It can be divided in two parts, 3069 and 2486, that added together give a palindrome (5555).

The spelling of 30692486 in words is "thirty million, six hundred ninety-two thousand, four hundred eighty-six".

Divisors: 1 2 11 19 22 38 101 202 209 418 727 1111 1454 1919 2222 3838 7997 13813 15994 21109 27626 42218 73427 146854 151943 303886 807697 1395113 1615394 2790226 15346243 30692486