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240042408 = 2339721063
BaseRepresentation
bin11100100111011…
…00000110101000
3121201200102021120
432103230012220
5442422324113
635452535240
75643220044
oct1623540650
9551612246
10240042408
11113552461
1268481520
133a967238
1423c47024
1516118a23
hexe4ec1a8

240042408 has 48 divisors (see below), whose sum is σ = 606926880. Its totient is φ = 79114752.

The previous prime is 240042403. The next prime is 240042437. The reversal of 240042408 is 804240042.

240042408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (240042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225285 + ... + 226347.

It is an arithmetic number, because the mean of its divisors is an integer number (12644310).

Almost surely, 2240042408 is an apocalyptic number.

It is an amenable number.

240042408 is an abundant number, since it is smaller than the sum of its proper divisors (366884472).

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

240042408 is a wasteful number, since it uses less digits than its factorization.

240042408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 240042408 is about 15493.3020366867. The cubic root of 240042408 is about 621.4831022340.

The spelling of 240042408 in words is "two hundred forty million, forty-two thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 776 1063 1164 2126 2328 3189 4252 6378 8504 9409 12756 18818 25512 28227 37636 56454 75272 103111 112908 206222 225816 309333 412444 618666 824888 1237332 2474664 10001767 20003534 30005301 40007068 60010602 80014136 120021204 240042408