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40330 = 2537109
BaseRepresentation
bin1001110110001010
32001022201
421312022
52242310
6510414
7225403
oct116612
961281
1040330
1128334
121b40a
1315484
14109aa
15be3a
hex9d8a

40330 has 16 divisors (see below), whose sum is σ = 75240. Its totient is φ = 15552.

The previous prime is 40289. The next prime is 40343. The reversal of 40330 is 3304.

40330 = T140 + T141 + ... + T143.

40330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 729 = 199^2 + 27^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 424.

240330 is an apocalyptic number.

40330 is a deficient number, since it is larger than the sum of its proper divisors (34910).

40330 is a wasteful number, since it uses less digits than its factorization.

40330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 40330 is about 200.8233054205. The cubic root of 40330 is about 34.2933101557.

Adding to 40330 its reverse (3304), we get a palindrome (43634).

It can be divided in two parts, 403 and 30, that multiplied together give a triangular number (12090 = T155).

The spelling of 40330 in words is "forty thousand, three hundred thirty".