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242031142 = 2172418739
BaseRepresentation
bin11100110110100…
…01101000100110
3121212102110022101
432123101220212
5443424444032
640003322314
75666142103
oct1633215046
9555373271
10242031142
11114690641
126908039a
133b1b24c2
1424203aaa
15163acde7
hexe6d1a26

242031142 has 12 divisors (see below), whose sum is σ = 385659540. Its totient is φ = 113896736.

The previous prime is 242031131. The next prime is 242031143. The reversal of 242031142 is 241130242.

242031142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242031143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208792 + ... + 209947.

It is an arithmetic number, because the mean of its divisors is an integer number (32138295).

Almost surely, 2242031142 is an apocalyptic number.

242031142 is a deficient number, since it is larger than the sum of its proper divisors (143628398).

242031142 is a wasteful number, since it uses less digits than its factorization.

242031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418775 (or 418758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242031142 is about 15557.3500956943. The cubic root of 242031142 is about 623.1946982779.

Adding to 242031142 its reverse (241130242), we get a palindrome (483161384).

The spelling of 242031142 in words is "two hundred forty-two million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 17 34 289 578 418739 837478 7118563 14237126 121015571 242031142