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330031312 = 24132122053
BaseRepresentation
bin10011101010111…
…110000011010000
3212000000022211221
4103222332003100
51133442000222
652425414424
711115135262
oct2352760320
9760008757
10330031312
1115a326456
129263a414
13534b4100
1431b8db32
151de920c7
hex13abe0d0

330031312 has 30 divisors (see below), whose sum is σ = 692412342. Its totient is φ = 152320896.

The previous prime is 330031307. The next prime is 330031333. The reversal of 330031312 is 213130033.

It can be written as a sum of positive squares in 3 ways, for example, as 25040016 + 304991296 = 5004^2 + 17464^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58323 + ... + 63730.

Almost surely, 2330031312 is an apocalyptic number.

It is an amenable number.

330031312 is an abundant number, since it is smaller than the sum of its proper divisors (362381030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330031312 is a wasteful number, since it uses less digits than its factorization.

330031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122087 (or 122068 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 330031312 is about 18166.7639385775. The cubic root of 330031312 is about 691.0641787919.

Adding to 330031312 its reverse (213130033), we get a palindrome (543161345).

The spelling of 330031312 in words is "three hundred thirty million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 122053 244106 488212 976424 1586689 1952848 3173378 6346756 12693512 20626957 25387024 41253914 82507828 165015656 330031312