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308132 = 221147149
BaseRepresentation
bin1001011001110100100
3120122200022
41023032210
534330012
610334312
72422226
oct1131644
9518608
10308132
111a0560
1212a398
13aa336
1480416
1561472
hex4b3a4

308132 has 24 divisors (see below), whose sum is σ = 604800. Its totient is φ = 136160.

The previous prime is 308129. The next prime is 308137. The reversal of 308132 is 231803.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 308132.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308132.

It is not an unprimeable number, because it can be changed into a prime (308137) 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, 1994 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2308132 is an apocalyptic number.

It is an amenable number.

308132 is a deficient number, since it is larger than the sum of its proper divisors (296668).

308132 is a wasteful number, since it uses less digits than its factorization.

308132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 308132 is about 555.0963880264. The cubic root of 308132 is about 67.5427803796.

Adding to 308132 its reverse (231803), we get a palindrome (539935).

It can be divided in two parts, 3081 and 32, that added together give a palindrome (3113).

The spelling of 308132 in words is "three hundred eight thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 47 94 149 188 298 517 596 1034 1639 2068 3278 6556 7003 14006 28012 77033 154066 308132