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330323640 = 23352752697
BaseRepresentation
bin10011101100000…
…101011010111000
3212000120011211220
4103230011122320
51134030324030
652435552040
711120463453
oct2354053270
9760504756
10330323640
1115a506049
129275b620
135358719a
1431c2849a
151deeda10
hex13b056b8

330323640 has 32 divisors (see below), whose sum is σ = 990971280. Its totient is φ = 88086272.

The previous prime is 330323639. The next prime is 330323641. The reversal of 330323640 is 46323033.

330323640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (330323639) and next prime (330323641).

It is a super-2 number, since 2×3303236402 = 218227414285699200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 330323640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330323641) 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, 1376229 + ... + 1376468.

Almost surely, 2330323640 is an apocalyptic number.

330323640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

330323640 is an abundant number, since it is smaller than the sum of its proper divisors (660647640).

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

330323640 is a wasteful number, since it uses less digits than its factorization.

330323640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752711 (or 2752707 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 330323640 is about 18174.8078394243. The cubic root of 330323640 is about 691.2681572075.

Adding to 330323640 its reverse (46323033), we get a palindrome (376646673).

The spelling of 330323640 in words is "three hundred thirty million, three hundred twenty-three thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2752697 5505394 8258091 11010788 13763485 16516182 22021576 27526970 33032364 41290455 55053940 66064728 82580910 110107880 165161820 330323640