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240231042 = 2334448723
BaseRepresentation
bin11100101000110…
…10001010000010
3121202001000001000
432110122022002
5442444343132
635500552430
75644634022
oct1624321202
9552030030
10240231042
11113671157
1268552716
133aa0205c
1423c95a82
151615487c
hexe51a282

240231042 has 16 divisors (see below), whose sum is σ = 533846880. Its totient is φ = 80076996.

The previous prime is 240231001. The next prime is 240231077. The reversal of 240231042 is 240132042.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224308 + ... + 2224415.

It is an arithmetic number, because the mean of its divisors is an integer number (33365430).

Almost surely, 2240231042 is an apocalyptic number.

240231042 is an abundant number, since it is smaller than the sum of its proper divisors (293615838).

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

240231042 is a wasteful number, since it uses less digits than its factorization.

240231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448734 (or 4448728 counting only the distinct ones).

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

The square root of 240231042 is about 15499.3884395482. The cubic root of 240231042 is about 621.6458542372.

Adding to 240231042 its reverse (240132042), we get a palindrome (480363084).

The spelling of 240231042 in words is "two hundred forty million, two hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 4448723 8897446 13346169 26692338 40038507 80077014 120115521 240231042