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3268140 = 223554469
BaseRepresentation
bin1100011101111000101100
320011001001020
430131320230
51314040030
6154014140
736531051
oct14357054
96131036
103268140
111932447
121117350
138a5715
14611028
15448510
hex31de2c

3268140 has 24 divisors (see below), whose sum is σ = 9150960. Its totient is φ = 871488.

The previous prime is 3268127. The next prime is 3268141. The reversal of 3268140 is 418623.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3268140.

It is not an unprimeable number, because it can be changed into a prime (3268141) 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, 27175 + ... + 27294.

It is an arithmetic number, because the mean of its divisors is an integer number (381290).

Almost surely, 23268140 is an apocalyptic number.

3268140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3268140 is an abundant number, since it is smaller than the sum of its proper divisors (5882820).

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

3268140 is a wasteful number, since it uses less digits than its factorization.

3268140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54481 (or 54479 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3268140 is about 1807.7997676734. The cubic root of 3268140 is about 148.3998803650.

The spelling of 3268140 in words is "three million, two hundred sixty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 54469 108938 163407 217876 272345 326814 544690 653628 817035 1089380 1634070 3268140