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240242052 = 22320020171
BaseRepresentation
bin11100101000111…
…00110110000100
3121202001120010210
432110130312010
5443000221202
635501115420
75645011101
oct1624346604
9552046123
10240242052
11113679456
1268558b70
133aa0707b
1423c99aa8
1516157c6c
hexe51cd84

240242052 has 12 divisors (see below), whose sum is σ = 560564816. Its totient is φ = 80080680.

The previous prime is 240242039. The next prime is 240242059. The reversal of 240242052 is 250242042.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (240242059) 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 3 ways as a sum of consecutive naturals, for example, 10010074 + ... + 10010097.

Almost surely, 2240242052 is an apocalyptic number.

It is an amenable number.

240242052 is an abundant number, since it is smaller than the sum of its proper divisors (320322764).

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

240242052 is a wasteful number, since it uses less digits than its factorization.

240242052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020178 (or 20020176 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 240242052 is about 15499.7436107827. The cubic root of 240242052 is about 621.6553509509.

Adding to 240242052 its reverse (250242042), we get a palindrome (490484094).

The spelling of 240242052 in words is "two hundred forty million, two hundred forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 20020171 40040342 60060513 80080684 120121026 240242052