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240412320 = 253351929101
BaseRepresentation
bin11100101010001…
…10011010100000
3121202101012201000
432111012122200
5443021143240
635504512000
75646320361
oct1625063240
9552335630
10240412320
11113785375
126861b600
133aa66715
1423d01b68
151618d430
hexe5466a0

240412320 has 384 divisors, whose sum is σ = 925344000. Its totient is φ = 58060800.

The previous prime is 240412313. The next prime is 240412321. The reversal of 240412320 is 23214042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 240412293 and 240412302.

It is not an unprimeable number, because it can be changed into a prime (240412321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2380270 + ... + 2380370.

It is an arithmetic number, because the mean of its divisors is an integer number (2409750).

Almost surely, 2240412320 is an apocalyptic number.

240412320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462672000).

240412320 is an abundant number, since it is smaller than the sum of its proper divisors (684931680).

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

240412320 is a wasteful number, since it uses less digits than its factorization.

240412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240412320 is about 15505.2352449100. The cubic root of 240412320 is about 621.8021792798.

Adding to 240412320 its reverse (23214042), we get a palindrome (263626362).

The spelling of 240412320 in words is "two hundred forty million, four hundred twelve thousand, three hundred twenty".